Mr. James has just been diagnosed with myasthenia gravis. You are his physician and are considering different therapies for his disease. Neostigmine and pyridostigmine may cause which one of the following ?: (A) Bronchodilation, (B) Diarrhea, (C) Cycloplegia, (D) Irreversible inhibition of acetylcholinesterase
Answer is B. They cause cholinergic adverse effects - Diarrhoea, increase secretions.