Mounjaro is available only as a brand-name medication. It’s not currently available in generic form.

A generic drug is an exact copy of the active drug in a brand-name medication. Generics usually cost less than brand-name drugs.

Typically, your doctor will start you on a low dosage. Then they’ll adjust it over time to reach the amount that’s right for you. Your doctor will ultimately prescribe the smallest dosage that provides the desired effect.

The following information describes dosages that are commonly used or recommended. However, be sure to take the dose your doctor prescribes for you. Your doctor will determine the best dosage to fit your needs.

Drug forms and strengths

Mounjaro comes as a liquid solution in single-dose, prefilled pens. You’ll give yourself doses as subcutaneous injections.

Mounjaro is available in several strengths:

• 2.5 milligrams (mg) per 0.5 milliliter (mL)
• 5 mg/0.5 mL
• 7.5 mg/0.5 mL
• 10 mg/0.5 mL
• 12.5 mg/0.5 mL
• 15 mg/0.5 mL

Dosage for type 2 diabetes

You’ll inject Mounjaro once per week. The typical starting dose is 2.5 mg. After 4 weeks, your doctor will likely increase your dosage to 5 mg once per week.

If your blood sugar level remains too high, your doctor will likely continue to increase your dose. The dosage will typically be increased by 2.5 mg every 4 weeks until your blood sugar level is within a range that’s healthy for you.

The maximum dosage of Mounjaro is 15 mg once per week.

What if I miss a dose?

If you miss a dose of Mounjaro, you can take it as soon as you remember, up to 4 days late. Then continue your usual dosing schedule. If more than 4 days have gone by, skip the missed dose and take the next dose on its regularly scheduled day. You should take doses of Mounjaro at least 3 days (72 hours) apart.

To help make sure that you do not miss a dose, try using a medication reminder. This can include setting an alarm or using a reminder app on your phone.

Will I need to use this drug long term?

Mounjaro is meant to be used as a long-term treatment. If you and your doctor determine that Mounjaro is safe and effective for you, you’ll likely use it long term.

You can refer to this article for more information about Mounjaro’s dosage.

Mounjaro can cause mild or serious side effects. The following lists contain some of the key side effects that may occur during Mounjaro treatment. These lists do not include all possible side effects.

For more information about the possible side effects of Mounjaro, talk with your doctor or pharmacist. They can give you tips on how to manage any side effects that may be concerning or bothersome.

Note: The Food and Drug Administration (FDA) tracks side effects of drugs it has approved. If you’d like to notify the FDA about a side effect you’ve had with Mounjaro, you can do so through MedWatch.

Mild side effects

Mild side effects* of Mounjaro can include:

• mild digestive problems, such as nausea, diarrhea, reduced appetite, vomiting, constipation, or heartburn
• abdominal pain
• injection site reaction
• mild allergic reaction†

Most of these side effects may go away within a few days to a couple of weeks. However, if they become more severe or do not go away, talk with your doctor or pharmacist.