Side Effects
Lansoprazole Side Effects
Possible side effects of lansoprazole are listed below. Tell your doctor if these side effects are severe or do not go away in a few days.
- Nausea
- Diarrhea
- Constipation
- Headache
- Dizziness
More serious side effects of lansoprazole are listed below. Seek immediate medical help if you have the following signs and symptoms:
- Adverse reactions with signs and symptoms such as rash, itching, or hives
- Swelling of the face, eyes, throat, tongue, mouth, or lips
- Difficulty breathing or swallowing
- Fever, flu-like symptoms, blistering or peeling skin sores on the lips, mouth, or genitals
- Blood in the urine, increase or decrease in urination, nausea, fatigue, loss of appetite, rash, fever, joint pain
- Fast or irregular heartbeat, uncontrolled shaking, muscle spasms, tiredness, dizziness, seizures
- Stomach pain, severe diarrhea with watery stools, fever
- New or worsening pain in the joints, sunlight-sensitive rash on the cheeks or arms
The above list may not include all the potential adverse effects of lansoprazole. Contact your healthcare professional if your side effects are unusual or severe or if they do not get better over time. You can also report unusual side effects to the Food and Drug Administration at 1-800-FDA-1088.
Lansoprazole Overdose: In case of an accidental or intentional overdose of lansoprazole, call your doctor immediately. You can also call the local poison control center or national poison control center at 1-800-222-1222. If a person cannot be awakened, has trouble breathing, has collapsed, or has had a seizure, call 911.
Source: FDA
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