Is Lactose Monohydrate halal?
Lactose Monohydrate is classified uncertain for halal use with Medium confidence. The crystalline hydrated form of lactose used as the most common direct-compression filler in tablets and dry-powder inhalers. Derived from cow's milk. Permissible in most fiqh views (dairy is permitted), but those avoiding all bovine-derived ingredients may prefer alternatives. Lactose-intolerant patients should also be aware.
Excipient (filler/binder) · Confidence: Medium
Also known as: milk sugar (hydrate)
The crystalline hydrated form of lactose used as the most common direct-compression filler in tablets and dry-powder inhalers.
Provides bulk and flow for low-dose actives and is the standard carrier in DPIs (Advair, Spiriva, Symbicort blister formulations).
Derived from cow's milk. Permissible in most fiqh views (dairy is permitted), but those avoiding all bovine-derived ingredients may prefer alternatives. Lactose-intolerant patients should also be aware.
- Bovine milk whey
Questions to ask
- Is the lactose carrier sourced from bovine dairy?
- Is there a lactose-free version of this product?
Allergen tags
This excipient is sometimes flagged for the following allergen categories. Separate from halal status.
- Milk — Lactose Monohydrate
Reason codes
Evidence & citations1
AuditCommon questions
- Is Lactose Monohydrate halal?
- RxHalal currently classifies Lactose Monohydrate as UNCERTAIN (Medium confidence). Derived from cow's milk. Permissible in most fiqh views (dairy is permitted), but those avoiding all bovine-derived ingredients may prefer alternatives. Lactose-intolerant patients should also be aware. This is information only — not a fatwa or medical advice.
- What is Lactose Monohydrate used for in medicines?
- The crystalline hydrated form of lactose used as the most common direct-compression filler in tablets and dry-powder inhalers. Provides bulk and flow for low-dose actives and is the standard carrier in DPIs (Advair, Spiriva, Symbicort blister formulations).
- What are common sources of Lactose Monohydrate?
- Common sources include: Bovine milk whey. Manufacturers often do not disclose which source is used.
- Is the lactose carrier sourced from bovine dairy?
- Ask your pharmacist or prescriber. RxHalal lists this because Lactose Monohydrate is uncertain in our cited database.
- Is there a lactose-free version of this product?
- Ask your pharmacist or prescriber. RxHalal lists this because Lactose Monohydrate is uncertain in our cited database.
Medicines using this excipient
- Losartan / HCTZ 50 mg / 12.5 mg Tablet· Camber PharmaceuticalsUncertain
- Amlodipine / Benazepril 5 mg / 10 mg Capsule· Sandoz Inc.Uncertain
- Isosorbide Mononitrate ER 30 mg Tablet· Sun PharmaceuticalUncertain
- Spironolactone 25 mg Tablet· Mylan PharmaceuticalsUncertain
- Yaz Combined Oral Contraceptive (Drospirenone / Ethinyl Estradiol)· Bayer HealthCareUncertain
- Asacol HD 800 mg Delayed-Release Tablet (mesalamine)· Allergan / AbbVieUncertain
Seen most often in these conditions
Where this excipient turns up across RxHalal's tracked treatment categories.
- Hypertension4 of 15 (27%)
- Allergies3 of 12 (25%)
- Inflammatory Bowel Disease (IBD)3 of 5 (60%)
- Men's Health (ED & BPH)3 of 4 (75%)
- Digestive Health & Anti-Emetics1 of 8 (13%)
Showing top 5 of 7 matched conditions.
Smallest set of questions to ask
AI suggests the fewest questions that would resolve the uncertainty.
Offline: the questions listed above are available without AI.