Afrezza Side Effects
Generic Name: insulin inhalation, rapid acting
Note: This document contains side effect information about insulin inhalation, rapid acting. Some of the dosage forms listed on this page may not apply to the brand name Afrezza.
For the Consumer
Applies to insulin inhalation, rapid acting: inhalation aerosol powder
Along with its needed effects, insulin inhalation, rapid acting (the active ingredient contained in Afrezza) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects occur while taking insulin inhalation, rapid acting:More common
- blurred vision
- cold sweats
- cool, pale skin
- fast heartbeat
- increased hunger
- slurred speech
- unusual tiredness or weakness
- Difficulty breathing
- difficulty swallowing
- hives, itching, or skin rash
- noisy breathing
- puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
- tightness in the chest
Some side effects of insulin inhalation, rapid acting may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:Less common
- sore throat
- Weight gain
For Healthcare Professionals
Applies to insulin inhalation, rapid acting: inhalation powder
In clinical trials of up to 2 years duration, a 15% or greater reduction in forced expiratory volume (FEV1) occurred in 6% of patients treated with inhaled insulin compared with a 3% decline in patients receiving comparator anti-diabetes treatment. Patients with chronic lung disease were not included in these studies. The FEV1 decline occurred during the first 3 months and persisted; it did not appear to worsen with increased duration of use. The changes in FEV1 were similar in patients with type 1 and type 2 diabetes mellitus.[Ref]
Very common (10% or more): Cough (25.6% to 29.4%)
Common (1% to 10%): Bronchitis, productive cough, decreased pulmonary function test[Ref]
Very common (10% or more): Hypoglycemia, non-severe (67%)
Common (1% to 10%): Hypoglycemia, severe
Uncommon (0.1% to 1%): Diabetic ketoacidosis
Frequency not reported: Weight gain[Ref]
In patients with type 1 diabetes, diabetic ketoacidosis occurred in 0.43% (n= 13) of patients who received inhaled insulin compared with 0.14% (n=3) of patients receiving subcutaneous insulin.
The incidence of non-severe hypoglycemia in patients with type 2 diabetes was 67%. The incidence of severe hypoglycemia was reported at 5.1%. A severe episode was defined as a hypoglycemic event requiring assistance of another person and associated with either a blood glucose value consistent with hypoglycemia or prompt recovery following treatment. A non-severe episode was defined as symptoms of hypoglycemia with or without a low blood glucose value. The incidence of hypoglycemia was not reported for patients with type 1 diabetes.
In patients with type 2 diabetes mellitus who received inhaled insulin therapy, a mean weight gain of 0.49 kg occurred compared with a mean weight loss of 1.13 kg in placebo-treated patients.[Ref]
Common (1% to 10%): Diarrhea, nausea[Ref]
The most common adverse reactions reported included hypoglycemia, cough, throat pain or irritation.
The most common reason for drug discontinuation was cough.[Ref]
Common (1% to 10%): Throat pain or irritation[Ref]
Common (1% to 10%): Urinary tract infection[Ref]
During clinical trials, 2 cases of lung cancer were reported; in both cases, heavy tobacco use was reported. Following completion of clinical trials, 2 cases of squamous cell lung cancer were reported in non-smokers.[Ref]
Frequency not reported: Lung cancer[Ref]
Common (1% to 10%): Fatigue[Ref]
Common (1% to 10%): Headache[Ref]
1. "Product Information. Afrezza (insulin inhalation, rapid acting)." MannKind Corporation, Valencia, CA.
Some side effects of Afrezza may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.
More about Afrezza (insulin inhalation, rapid acting)
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- Drug class: insulin
Other brands: Exubera
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