Inactive ingredients by manufacturer

Lapatinib inactive ingredients by manufacturer

Wondering whether your Lapatinib has lactose, gluten, soy, a dye or gelatin in it? The medicine is the same, but the fillers, coatings and colors differ from one company to the next. This page shows what each Lapatinib product's FDA label lists, so you can find a version that leaves out what you avoid and ask your pharmacist for it by its NDC.

We have read the FDA labels of 4 of the 4 current Lapatinib products on the market today, from 4 companies listing it with the FDA, and lined them up side by side.

Ask about your bottle

Is there something in your Lapatinib? Ask in plain words.

Name the company, strength or the NDC on your bottle and the ingredient you avoid. The answer comes only from the FDA labels on this page.

Answers are drawn from the FDA label data on this page and checked against it. They are not medical advice: confirm with your pharmacist before relying on them.

The short answer

Which Lapatinib products list lactose, a gluten source, soy, dyes or gelatin?

  1. LactoseNo checked product

    No checked Lapatinib product lists lactose.

  2. Wheat or gluten sourceNo checked product

    No checked Lapatinib product lists a wheat or gluten source.

  3. SoyDiffers by manufacturer

    1 of 4 checked products list soy; 3 do not. See the products

    Does not list it AvKARE Novartis Teva
    Lists it Lupin
  4. Synthetic dyesDiffers by manufacturer

    2 of 4 checked products list synthetic dyes; 2 do not. See the products

    Does not list it AvKARE Teva
    Lists it Lupin Novartis
  5. GelatinNo checked product

    No checked Lapatinib product lists gelatin.

Also listed by some products: Starch (source not stated) 1 of 4 Titanium dioxide 4 of 4 PEG or polysorbate 4 of 4

1 product lists starch without a stated source. Most pharmaceutical starch is corn, but the label does not say, so it is flagged on its own.

Find a version without it

Every current Lapatinib product and what its label lists

Hide products that list:

ProductListsInactive ingredients on the label
AvKARE 1 product
250 mg tabletNDC 42291-0035-15 Titanium dioxide Polyethylene glycol or polysorbate
Show 10 ingredients

CELLULOSE, MICROCRYSTALLINE, FERRIC OXIDE YELLOW, MAGNESIUM STEARATE, POLYETHYLENE GLYCOL 3350, POLYVINYL ALCOHOL, UNSPECIFIED, POVIDONE K25, POVIDONE K30, SODIUM STARCH GLYCOLATE TYPE A POTATO, TALC, TITANIUM DIOXIDE
Lupin Pharmaceuticals, Inc. 1 product
250 mg tabletNDC 68180-0801-36 Starch, source not stated Soy Synthetic dyes Titanium dioxide Polyethylene glycol or polysorbate
Show 13 ingredients

FD&C YELLOW NO. 6, HYPROMELLOSE, UNSPECIFIED, LECITHIN, SOYBEAN, MAGNESIUM STEARATE, MICROCRYSTALLINE CELLULOSE 101, POLYETHYLENE GLYCOL 400, POLYSORBATE 80, POLYVINYL ALCOHOL, UNSPECIFIED, POVIDONE K30, SODIUM STARCH GLYCOLATE TYPE A, TALC, TITANIUM DIOXIDE, XANTHAN GUM
Novartis Pharmaceuticals Corporation 1 product
250 mg tabletNDC 00078-0671-19 Synthetic dyes Titanium dioxide Polyethylene glycol or polysorbate
Show 9 ingredients

CELLULOSE, MICROCRYSTALLINE, FD&C YELLOW NO. 6, HYPROMELLOSES, MAGNESIUM STEARATE, POLYETHYLENE GLYCOL, POLYSORBATE 80, POVIDONE, SODIUM STARCH GLYCOLATE TYPE A POTATO, TITANIUM DIOXIDE
Teva Pharmaceuticals, Inc. 1 product
250 mg tabletNDC 00480-3237-51 Titanium dioxide Polyethylene glycol or polysorbate
Show 10 ingredients

CELLULOSE, MICROCRYSTALLINE, FERRIC OXIDE YELLOW, MAGNESIUM STEARATE, POLYETHYLENE GLYCOL 3350, POLYVINYL ALCOHOL, UNSPECIFIED, POVIDONE K25, POVIDONE K30, SODIUM STARCH GLYCOLATE TYPE A POTATO, TALC, TITANIUM DIOXIDE

A product with none of these listed is not certified to be without them: the label says what the manufacturer declared, and the source of a starch or a flavor is often not stated. The companies are the FDA's labelers, which include repackagers and distributors selling another company's product under their own label. The NDC opens the product's own page, with the full label and its inactive-ingredient notes.

Lapatinib without soy

Soy: soybean oil or soy lecithin; a concern with soy allergy. 1 of 4 checked products list soy; 3 do not.

Does not list soy

Lists soy

Lapatinib without synthetic dyes

Synthetic dyes: FD&C or D&C colorants and their aluminum lakes. 2 of 4 checked products list synthetic dyes; 2 do not.

Does not list synthetic dyes

Lists synthetic dyes

Lapatinib without starch of unstated source

Starch, source not stated: the label says "starch" without naming corn, potato, tapioca or rice. 1 of 4 checked products list starch of unstated source; 3 do not.

Does not list starch of unstated source

Lists starch of unstated source

Lapatinib and titanium dioxide

Titanium dioxide: A white colorant some people choose to avoid. Every checked Lapatinib product (4) lists titanium dioxide.

Lists titanium dioxide

Lapatinib and polyethylene glycol or polysorbate

Polyethylene glycol or polysorbate: PEG, macrogol or polysorbate; a rare cause of allergic reactions. Every checked Lapatinib product (4) lists polyethylene glycol or polysorbate.

Lists polyethylene glycol or polysorbate

At the pharmacy counter

How to use this at the pharmacy counter

  1. Pick the company whose list suits you and copy the NDC from the table. Many pharmacies order from wholesalers that carry several companies' versions and can request a particular one if you ask before the prescription is filled; some buy from one contracted source only, and a few insurance plans cover only certain NDCs, so ask the pharmacist to check.
  2. Treat "does not list" as exactly that. The label is what the manufacturer declared; a flavor or a starch may have an unstated source, and lines change. For celiac disease or a serious allergy, ask the manufacturer's medical information line for a written statement about the lot you have.
  3. Check the bottle each refill. A different company usually means a different shape, color and inactive-ingredient list; the pharmacist can tell you who made it, and the two-NDC comparison shows the difference line by line.
  4. If you need one company's version kept constant, ask your prescriber to write that company or the NDC on the prescription and tell the pharmacy you need it held. Rules vary by state and plan, so confirm with the pharmacist.
Ask Dr. Staiger which Lapatinib product suits you →

Common questions about Lapatinib inactive ingredients

Is Lapatinib gluten-free?
This page cannot certify any Lapatinib product gluten-free; it reports what each label declares. Of the 4 products checked, none lists a wheat, barley, rye or gluten ingredient, and 1 lists starch without a stated source (most pharmaceutical starch is corn, but the label does not say). If you have celiac disease, ask the manufacturer's medical information line for a written gluten statement for the lot you have.
Does Lapatinib contain lactose?
No checked Lapatinib product lists lactose on its label. The lactose in a tablet or capsule is a small amount, but people with a milk allergy or a strong intolerance often prefer a version that does not list it.
Does Lapatinib contain soy?
1 of 4 checked Lapatinib products list a soy ingredient (soybean oil or soy lecithin); 3 do not: AvKARE (250 mg tablet), Novartis (250 mg tablet) and Teva (250 mg tablet). Soy lecithin is the usual form and the amount is small, but people with a soy allergy often prefer a version that does not list it.
Is there a dye-free Lapatinib?
2 of 4 checked Lapatinib products list a synthetic dye (an FD&C or D&C colorant); 2 do not: AvKARE (250 mg tablet) and Teva (250 mg tablet). Colorants often differ by strength within one company's line, so compare the lists above strength by strength.
Does Lapatinib contain gelatin?
No checked Lapatinib product lists gelatin on its label. Gelatin is usually bovine or porcine and the label rarely says which; for kosher, halal or vegetarian needs, ask the manufacturer.
Why do the inactive ingredients differ between manufacturers?
A generic must match the brand's active ingredient, strength, dose form and how it is absorbed; its fillers, binders, coatings and colorants are the manufacturer's own choice. That is why one Lapatinib product can list lactose and a dye while another from a different company lists neither.
Can my pharmacy give me a specific manufacturer's version?
Often, if you ask before the prescription is filled: many pharmacies order from wholesalers that carry several companies' versions and can request a particular one. Some pharmacies buy a generic from one contracted source only, and a few insurance plans cover only certain NDCs, so ask the pharmacist to check. Give them the NDC from this page; the company name alone is often enough.
How current is this list?
The products are the ones in the FDA's current NDC directory as of October 6, 2026, and each inactive-ingredient list is the manufacturer's FDA label as our label sync last read it. Formulations change, so check the label on your own bottle and ask your pharmacist if a refill looks different.

Sources: the products are the finished Lapatinib products in the FDA's current NDC directory (openFDA), as of October 6, 2026; each inactive-ingredient list is the manufacturer's FDA Structured Product Label via DailyMed, as our label sync last read it. The concern groups are HelloPharmacist's classification of the names the label declares. Educational information only, not medical advice; confirm with your pharmacist before relying on a list. ← Back to the Lapatinib guide