👉 Methantheline is a class of drugs used to treat certain types of seizures and other conditions that cause muscle rigidity, hyperreflexia (reversal of normal reflexes), and ataxia. These symptoms can be caused by disorders such as brain tumors or spinal cord injuries. The drug works by blocking the transmission of electrical signals between neurons in the brain, which is why it's used to treat these conditions. It's typically prescribed for a short period of time, usually