Drug & supplement interaction

Light Therapy + Gemcitabine 0.9%, Sodium Chloride

Gemcitabine 0.9%, Sodium Chloride brand name: Infugem.

No Known Interaction
Medically reviewed by · Updated July 2026 · Pair last verified Sep 13, 2026
The bottom line No known interaction

We found no known interaction between Light Therapy and Gemcitabine 0.9%, Sodium Chloride in our sources. Absence of a documented interaction is not the same as proven safety, and does not guarantee one does not exist. Do not start, stop, or change a medication or supplement based on this page; confirm with your pharmacist or doctor first. Additionally, although there is no interaction, the two are separately associated with some of the same side effects, which would make a new symptom harder to attribute to one or the other.

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Interaction report

Light Therapy and Gemcitabine 0.9%, Sodium Chloride

We checked these two against our interaction database. Here is what we found.

No Known Interaction Found

We did not find a documented interaction between Gemcitabine 0.9%, Sodium Chloride and Light Therapy in our sources. This does not guarantee that the combination is completely free of risk — research on Light Therapy alongside specific medications may be limited.

Light Therapy is a treatment rather than something you take. Tell whoever provides it which medicines you use, and ask your prescriber whether it is appropriate for your health and treatment. Do not stop a prescribed medicine on your own.

Always talk with your pharmacist or doctor before making changes to your medications or supplements, particularly if you take several medications or have an ongoing health condition.

Light Therapy safety at a glance

Light Therapy overall Use caution Generally well tolerated, but certain eye, skin, and mood conditions need medical guidance.
Pregnancy Possibly Safe When bright light therapy is used short-term. Other types of light therapies, especially PUVA, have not been extensively evaluated in pregnancy or lactation. On... Read the full pregnancy detail
Breastfeeding Possibly Safe When bright light therapy is used short-term. Other types of light therapies, especially PUVA, have not been extensively evaluated in pregnancy or lactation. On... Read the full breastfeeding detail

Pregnancy & breastfeeding ratings are from Natural Medicines (Therapeutic Research Center) — the full detail is in the Special populations card below. Safety guidance is general; always confirm with your pharmacist or doctor for your situation.

Still wondering about combining Gemcitabine 0.9%, Sodium Chloride and Light Therapy? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
Keep it in perspective

Light Therapy Does Interact With Other Medications

Light Therapy has 335 moderate known drug interactions in our database — Gemcitabine 0.9%, Sodium Chloride isn’t one of them. If you take anything else, check it against the full list below.

Moderate 335 No known interaction 2,495 (incl. Gemcitabine 0.9%, Sodium Chloride)
Taking anything else?

Check Another of Your Medications Against Light Therapy

Covers the 2,830 medications we’ve checked against Light Therapy. Pick one to open its full report.

What to actually watch for

No Interaction Found — But Data Suggests Light Therapy and Gemcitabine 0.9%, Sodium Chloride May Share a Side Effect

This is not an interaction. Neither one changes how your body handles the other, and nothing here says they react together. What our sources do show is that each has separately been linked to the effects below — so having Light Therapy while taking the medicine can make those effects more likely to turn up, and harder to pin on one or the other if they do.

  • Nausea Additional detail

    Light Therapy

    “Nausea is a commonly reported side effect of light therapy. Changes in appetite, dry mouth, diarrhea, constipation, and abdominal pain have also been reported.”

    Light Therapy · Natural Medicines adverse-effect record, reported in constipation.

    3 sources cited
    1. 28938. Morgan, M. and Khan, D. A. Therapeutic alternatives for chronic urticaria: an evidence-based review, Part 2. Ann Allergy Asthma Immunol 2008;100(6):517-526. PubMed
    2. 28979. Terman, M. and Terman, J. S. Bright light therapy: side effects and benefits across the symptom spectrum. J Clin Psychiatry 1999;60(11):799-808. DOI
    3. 106586. Nussbaumer-Streit B, Thaler K, Chapman A, et al. Second-generation antidepressants for treatment of seasonal affective disorder. Cochrane Database Syst Rev 2021;3(3):CD008591. PubMed

    Gemcitabine 0.9%, Sodium Chloride

    Listed in the ADVERSE REACTIONS section of the FDA label for Gemcitabine 0.9%, Sodium Chloride. Read the label on DailyMed ›

Reported for Light Therapy but not commonly for Gemcitabine 0.9%, Sodium Chloride: a change in sex drive, blurred vision, stomach pain and eye irritation or redness.

Effects for Gemcitabine 0.9%, Sodium Chloride come from the ADVERSE REACTIONS section of its FDA label; effects for Light Therapy come from the Natural Medicines adverse-effect record, quoted above. Wording is matched across sources by our own clinical vocabulary, so treat this as a prompt to pay attention, not a diagnosis.

Special populations

Light Therapy in Pregnancy & Breastfeeding

Pregnancy And Lactation Possibly Safe

When bright light therapy is used short-term. Other types of light therapies, especially PUVA, have not been extensively evaluated in pregnancy or lactation. One preliminary study suggests that PUVA use does not result in teratogenic effects. Until more information is available, avoid use in those who are pregnant and lactating.

DISCLAIMER: This tool is intended for informational purposes only, and should not be interpreted as specific medical advice. Patients should consult with a qualified healthcare provider before making decisions about therapies and/or health conditions.© 2026 Therapeutic Research Center

How much people look this up

Where Light Therapy and Gemcitabine 0.9%, Sodium Chloride Sit Against Everything Else

Out of every supplement and medication people look up on HelloPharmacist, here is where these two land this week — and which way each has been moving.

Supplement Light Therapy
Top half

#619 of 1,452 supplements looked up here in the last 7 days

29 days ago today
Medication Gemcitabine 0.9%, Sodium Chloride
Steady interest

#2,096 of 2,830 medications looked up here in the last 7 days

29 days ago today

Position among everything looked up on this site, not a measure of how commonly either one is used or how important it is. A supplement can climb this list because of a news story. It counts every request to the page, automated ones included, and nothing here identifies anyone.

Where does our data come from?
  • Source: the Natural Medicines (TRC Healthcare) clinical database — the evidence-graded professional reference for herb & supplement interactions.
  • Citation library: 103,510 references behind our interaction content, 65,311 of them resolved to verified PubMed/DOI sources. See every Light Therapy reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 13, 2026. The Light Therapy and Gemcitabine 0.9%, Sodium Chloride records this page draws on were last updated July 10, 2026.
  • What “no known interaction” means: no documented interaction in the sources above — not a guarantee of safety. Supplements are studied far less than prescription drugs, so we say exactly what the evidence supports, and nothing more.
Data structure & sourcing designed and verified by .
Treatment approach

About Light Therapy

What is Light Therapy?

  • Seasonal affective disorder (SAD)
  • Non-seasonal depression
  • Sleep and circadian rhythm problems
  • Jet lag and shift-work sleep issues
  • Certain skin conditions

Light therapy uses controlled exposure to bright artificial light and is best supported for seasonal affective disorder, where it is a recognized treatment option. It is generally safe for most people when used as directed, but you should talk to a doctor or pharmacist first, especially if you have eye conditions, bipolar disorder, or take medicines that increase light sensitivity.

Not applicable (light exposure, not a plant) · Light boxes, dawn-simulating alarm clocks, light visors, wearable light devices, blue/red light panels

An interaction check asks whether these two react with each other — it does not ask whether Light Therapy is a good idea for someone in your situation. Here is what our Light Therapy record says about it on its own.

Light Therapy: dosing

There is no single dose that fits everyone, and the right approach depends on the device and the reason you are using it. For seasonal affective disorder, a common general approach involves a 10,000-lux light box used for a set time in the morning, sitting a recommended distance from the light with eyes open but not staring at it.Because brightness, distance, and timing all matter, follow the instructions that come with your specific device. They can help you pick the right device and schedule.

From our Light Therapy monograph — the full record covers uses, side effects and every documented interaction.

Read the full Light Therapy monograph & all interactions
Keep checking

Other Drugs & Light Therapy

Browse every other medication we’ve checked against Light Therapy — both the ones with a known interaction and the ones without. Select any drug for the full detail.

0Major
335Moderate
0Minor
2,494No known interaction
335 Moderate 2,494 No interaction
Moderate

335 interactions

Showing 60 of 335 moderate interactions — see all 335 on the Light Therapy page.

No interaction 2,494 drugs checked — show the list

We also checked Light Therapy against these medications and found no known interaction in our sources. Open any page to confirm.

Showing the 60 most looked-up of 2,494 medications checked with no known interaction — see the full Light Therapy list.

See the full Light Therapy interactions page
See every supplement checked against Gemcitabine 0.9%, Sodium Chloride, ranked by severity
Evidence & sources

Light Therapy References

The 35 references that drive our Light Therapy monograph and interaction data, from the evidence-graded Natural Medicines (TRC Healthcare) database. Citations with a link open the study on PubMed or the publisher’s site.

  1. Meduri, N. B., Vandergriff, T., Rasmussen, H., and Jacobe, H. Phototherapy in the management of atopic dermatitis: a systematic review. Photodermatol Photoimmunol Photomed 2007;23(4):106-112. PubMed
  2. Kumar, P., Chawla, D., and Deorari, A. Light-emitting diode phototherapy for unconjugated hyperbilirubinaemia in neonates. Cochrane Database Syst Rev 2011;(12):CD007969. PubMed
  3. Pathirana, D., Ormerod, A. D., Saiag, P., Smith, C., Spuls, P. I., Nast, A., Barker, J., Bos, J. D., Burmester, G. R., Chimenti, S., Dubertret, L., Eberlein, B., Erdmann, R., Ferguson, J., Girolomoni, G., Gisondi, P., Giunta, A., Griffiths, C., Honigsmann
  4. Beani, J. C. and Jeanmougin, M. [Narrow-band UVB therapy in psoriasis vulgaris: good practice guideline and recommendations of the French Society of Photodermatology]. Ann Dermatol Venereol 2010;137(1):21-31.
  5. Leon, A., Nguyen, A., Letsinger, J., and Koo, J. An attempt to formulate an evidence-based strategy in the management of moderate-to-severe psoriasis: a review of the efficacy and safety of biologics and prebiologic options. Expert Opin Pharmacother 2007; PubMed
  6. Kroft, E. B., Berkhof, N. J., van de Kerkhof, P. C., Gerritsen, R. M., and de Jong, E. M. Ultraviolet A phototherapy for sclerotic skin diseases: a systematic review. J Am Acad Dermatol 2008;59(6):1017-1030. PubMed
  7. Tuunainen, A., Kripke, D. F., and Endo, T. Light therapy for non-seasonal depression. Cochrane Database Syst Rev 2004;(2):CD004050. DOI
  8. Chesson, A. L., Jr., Littner, M., Davila, D., Anderson, W. M., Grigg-Damberger, M., Hartse, K., Johnson, S., and Wise, M. Practice parameters for the use of light therapy in the treatment of sleep disorders. Standards of Practice Committee, American Acade DOI
  9. Morgan, M. and Khan, D. A. Therapeutic alternatives for chronic urticaria: an evidence-based review, Part 2. Ann Allergy Asthma Immunol 2008;100(6):517-526. PubMed
  10. Lee, E., Koo, J., and Berger, T. UVB phototherapy and skin cancer risk: a review of the literature. Int J Dermatol 2005;44(5):355-360. PubMed
  11. Murase, J. E., Lee, E. E., and Koo, J. Effect of ethnicity on the risk of developing nonmelanoma skin cancer following long-term PUVA therapy. Int J Dermatol 2005;44(12):1016-1021. PubMed
  12. Morison, W. L., Baughman, R. D., Day, R. M., Forbes, P. D., Hoenigsmann, H., Krueger, G. G., Lebwohl, M., Lew, R., Naldi, L., Parrish, J. A., Piepkorn, M., Stern, R. S., Weinstein, G. D., and Whitmore, S. E. Consensus workshop on the toxic effects of long
  13. Stern, R. S. The risk of squamous cell and basal cell cancer associated with psoralen and ultraviolet A therapy: a 30-year prospective study. J Am Acad Dermatol 2012;66(4):553-562. PubMed
  14. Stern, R. S. and Lunder, E. J. Risk of squamous cell carcinoma and methoxsalen (psoralen) and UV-A radiation (PUVA). A meta-analysis. Arch Dermatol 1998;134(12):1582-1585. PubMed
  15. Swerdlow, A. J. and Weinstock, M. A. Do tanning lamps cause melanoma? An epidemiologic assessment. J Am Acad Dermatol 1998;38(1):89-98. PubMed

Medication overviews come from MedlinePlus (NIH); supplement label data from the NIH Dietary Supplement Label Database. Content is written and reviewed by licensed HelloPharmacist pharmacists — see our data sources and editorial standards.

Pharmacist Counseling Corner

Having Light Therapy While Taking Gemcitabine 0.9%, Sodium Chloride: Common Questions

Is it safe to have Light Therapy while taking Gemcitabine 0.9%, Sodium Chloride?
We do not list a known interaction between Light Therapy and Gemcitabine 0.9%, Sodium Chloride. That does not guarantee the combination is risk-free, so confirm with your pharmacist or doctor — especially if you take other medications or have a health condition.
Do Light Therapy and Gemcitabine 0.9%, Sodium Chloride have any of the same side effects?
Yes — our sources link each of them separately to one of the same effects. That is not an interaction: neither changes how your body handles the other. It does mean that if one of those effects turns up, it can be harder to tell which one is behind it. They are listed on this page with the source behind each.
Does Light Therapy interact with any other medications?
Yes. Light Therapy has 335 documented drug interactions in our database — Gemcitabine 0.9%, Sodium Chloride is simply not one of them. If you take anything else, it is worth checking each one; they are all listed on this page.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

Where next

Keep Exploring

Light Therapy monograph Uses, safety profile, and every drug interaction in one place Gemcitabine 0.9%, Sodium Chloride supplement interactions Every supplement checked against Gemcitabine 0.9%, Sodium Chloride, ranked by severity Supplement interaction checker Check any supplement or product against your medications Browse medications A–Z Every drug we’ve checked against herbs & supplements References The 35 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Gemcitabine 0.9%, Sodium Chloride and Light Therapy?

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This information is for education only and is not a substitute for professional medical advice. Always check with your pharmacist or doctor before starting, stopping, or combining supplements and medications.