Guar Gum
13 interactions 1 explained in plain English
Medically reviewed by
Dr. Brian Staiger, PharmD, BCPS
· Updated Jul 10, 2026
· Editorial policy
· Data sources
Sources: FDA prescribing information (Structured Product Labeling), the published literature cited in each entry, DDInter 2.0 (a major open-access drug-interaction database), and legacy DrugBank interaction data distributed by the NIH's RxNav service (decommissioned in 2024) — analyzed and reviewed by our pharmacist team. How we build this library →
Most serious with:
Estradiol
Estradiol Topical
Estradiol Transdermal Patch
Levonorgestrel
Levonorgestrel Intrauterine System
Major
Guar Gum Estradiol Delestrogen Reduced contraceptive effectiveness Details Guar Gum Estradiol Topical Divigel Reduced contraceptive effectiveness Details Guar Gum Estradiol Transdermal Patch Alora® Reduced contraceptive effectiveness Details Guar Gum Levonorgestrel After banger Reduced contraceptive effectiveness Details Guar Gum Levonorgestrel Intrauterine System Kyleena Reduced contraceptive effectiveness DetailsModerate
Guar Gum Acarbose Prandase® Explained Increased risk of hypoglycemia Details Guar Gum Glimepiride Amaryl Increased risk of hypoglycemia Details Guar Gum Insulin Glulisine (Rdna Origin) Injection Apidra Increased risk of hypoglycemia Details Guar Gum Metformin Fortamet® Decreased effectiveness of metformin Details Guar Gum Miglitol Glyset® Increased risk of hypoglycemia Details Guar Gum Nateglinide Starlix® Increased risk of hypoglycemia Details Guar Gum Penicillin V Potassium Beepen-VK® Decreased penicillin effectiveness DetailsNo interactions on this page match that filter — try the next page or clear the filter.
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