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Home / Medicines A–Z / Isophane insulin

Isophane insulin

INDICATIONS For the temporary relief of general weakness, debilitation, excessive sweating, or minor skin rash or hives due to sensitivity to phenolic.

Sold without prescription in some countries Oral Safety alerts on record

How to use Isophane insulin

What the official label says. If a doctor prescribed it, follow the prescription. Your pack's leaflet comes first if it is different.

Who it is for

INDICATIONS For the temporary relief of general weakness, debilitation, excessive sweating, or minor skin rash or hives due to sensitivity to phenolic compounds found in foods or other products.*

How to take it and how often
  • Place drops under tongue 30 minutes before/after meals
  • Adults and children 12 years and over: Take 10 drops up to 3 times per day
  • Consult a physician for use in children under 12 years of age
Warnings

In case of overdose, get medical help or contact a poison control center right away. Keep out of the reach of children. If pregnant or breastfeeding, ask a healthcare professional before use.

Pregnancy and breastfeeding

If pregnant or breastfeeding, ask a healthcare professional before use.

How to store it

Keep out of reach of children.

If you miss a dose

Take it when you remember, unless it is nearly time for the next dose. Then skip the missed one. Never take two doses at once to make up for it. Check your leaflet, as some medicines are different.

Remind me to take it Full official label
From the official U.S. FDA label for this active ingredient. Your pack may have a different strength, so always read its leaflet. If a doctor prescribed it, follow the prescription. Ask a pharmacist if you are unsure. Label dated 2026-01-08.

Brands around the world

Products with Isophane insulin as the active ingredient. Names differ between countries.

NovolinHumulinHumulin NNovolin NInsulin 1556

Safety alerts and recalls

MYXREDLIN, Insulin Human in 0.9% Sodium Chloride Injection, 100 units/100 mL (1 unit/mL), Rx only, Baxter Healthcare Corporation, Deerfield, IL 60015 USA, NDC 0338-0126-12.U.S. FDA Class II
6 Aug 2026 · Baxter Healthcare Corporation · OngoingCGMP Deviations
Sterile Diluent, HUMALOG U-100 (insulin lispro injection), HUMULIN R U-100 REGULAR (insulin human injection), Insulin Lispro Injection u-100, 10 mL, Use ONLY with Insulins listed oU.S. FDA Class II
12 Mar 2024 · Eli Lilly & Company · CompletedCGMP Deviations
Admelog, insulin lispro injection, 100 units/mL (U-100), 3mL multi-dose vial, Rx Only, Sanofi-Aventis U.S. LLC, Bridgewater, NJ 08807 A Sanofi Company. NDC 0024-5926-05U.S. FDA Class II
11 Apr 2023 · Sanofi-Aventis U.S. LLC · OngoingLack of Assurance of Sterility: Malformed crimped collar seal
Insulin Glargine (Insulin glargine-yfgn) Injection, 100 units/mL (U-100), 3 mL prefilled pens (NDC 49502-394-71), packaged in cartons of 5 prefilled pens (NDC 49502-394-75), Rx onlU.S. FDA Class I
5 Jul 2022 · Mylan Pharmaceuticals Inc · TerminatedLabeling: Missing label: Label missing from some prefilled pens.

A recall usually affects certain batches only. Compare the lot number on your pack.

Check your pack of Isophane insulin

Or take photos of the pack
3 free checks left today Official sources: U.S. FDA · EMA (EU) · NAFDAC · WHO alerts

Questions about Isophane insulin

What is Isophane insulin used for?

INDICATIONS For the temporary relief of general weakness, debilitation, excessive sweating, or minor skin rash or hives due to sensitivity to phenolic compounds found in foods or other products.* (From the official U.S. FDA label.)

How do I take Isophane insulin?

Follow your prescription or the leaflet in your pack. The official label says: Place drops under tongue 30 minutes before/after meals. Adults and children 12 years and over: Take 10 drops up to 3 times per day. Consult a physician for use in children under 12 years of age.…

Do I need a prescription for Isophane insulin?

In many countries Isophane insulin is sold without a prescription in some strengths. Rules differ by country, so ask a pharmacist.

What brands contain Isophane insulin?

Isophane insulin is sold under names such as Novolin, Humulin, Humulin N, Novolin N, Insulin 1556. Brand names differ between countries.

How can I check that my Isophane insulin is genuine?

Scan the registration number on your pack with PillVera (NAFDAC number in Nigeria, NDC in the United States, DIN in Canada), check the expiry date and buy only from licensed pharmacies.