No interactions were observed with either ranitidine or lansoprazole. The effectiveness and safety of daily dosages greater than 240 mg for prevention of cardiac mortality propranolol de la mexic have not been established. MedicineNet does not provide medical advice, diagnosis or treatment. Report unusual swelling of extremities, respiratory difficulty, unresolved cough, or unusual weight gain, cold extremities, persistent diarrhea, confusion, hallucinations, headache, nervousness, lack of improvement, or worsening of condition. There are no adequate and well-controlled studies in pregnant women. The dosage is based on your medical condition and response to treatment.