Gasterix
Gasterix contains lansoprazole, which reduces stomach acid to treat heartburn and acid reflux in adults.
Form
enterokapseli, kova
Strength
15 mg
Active Ingredient
Lansoprazole
Manufacturer
ratiopharm GmbH
How to Use
Dosage
One or two 15 mg capsules once a day.
Method
Swallow capsules whole with water, at least 30 minutes before a meal, preferably in the morning. Do not crush or chew them.
Important
Maximum 2 capsules (30 mg) per day, for up to two weeks.
Possible Side Effects
COMMON
- •Headache, dizziness
- •Diarrhea, constipation, stomach pain, nausea, vomiting, gas, dry or sore mouth/throat, benign stomach polyps
- •Rash, itching
- •Changes in liver blood tests
- •Tiredness
RARE
- •Fever
- •Restlessness, drowsiness, confusion, hallucinations (seeing or hearing things that aren't there), sleep problems (insomnia), vision problems, spinning sensation
- •Changes in taste, loss of appetite, inflamed tongue
- •Skin reactions like burning or tingling under the skin, bruising, redness, and heavy sweating
- •Sensitivity to light
- •Hair loss
- •Feeling of insects crawling on the skin (paresthesia), tremor (shaking)
- •Anemia (paleness)
- •Kidney problems
- •Pancreatitis (inflammation of the pancreas)
- •Enlargement of male breasts, impotence
- •Yeast infection (fungal infection of the skin or mucous membranes)
- •Swelling of face, tongue, or throat, difficulty swallowing, hives, difficulty breathing (angioedema)
- •Red, raised target-like patches on skin (erythema multiforme)
- •Yellow skin or eyes (liver inflammation)
Important Warnings
- Do not use if you are allergic to lansoprazole or any other ingredient in this medicine.
- Tell your doctor if you have serious liver disease.
- Inform your doctor if you have had a skin reaction to similar medicines or if you develop a rash, especially on sun-exposed skin.
- If you get persistent or severe diarrhea while taking Gasterix, contact your doctor right away.
- Consult your doctor if you are pregnant, breastfeeding, or planning a pregnancy.
Show 2 more warnings
- This medicine can cause dizziness or vision problems, so be careful when driving or operating machinery.
- Always tell your doctor or pharmacist about all other medicines you are taking, including herbal remedies and over-the-counter drugs.
Use in Elderly Patients
Category A
Suitable for older adults. For short-term use only. Consider the numerous potential interactions, especially with clopidogrel and (es)citalopram. Avoid long-term use. Long-term use carries an increased risk of adverse effects. Risk of hypomagnesemia in prolonged use. (updated 10.11.2025)