Abrupt cessation of treatment after prolonged administration rarely may produce nausea, headache, and malaise. These are not indicative of addiction. DRUG INTERACTIONS. FLEXERIL may have life-threatening interactions with MAO inhibitors. (See CONTRAINDICATIONS.) FLEXERIL may enhance the effects of alcohol, barbiturates, and other CNS depressants.
In general, symptoms of botulism poisoning include the following: 1  Nausea. 2  Vomiting. 3  Fatigue. 4  Dizziness.5  Double vision. 6  Dry skin, mouth and throat. 7  Drooping eyelids. 8  Difficulty swallowing. 9  Slurred speech.ome people never fully recover. In general, symptoms of botulism poisoning include the following: 1  Nausea. 2  Vomiting. 3  Fatigue. 4  Dizziness. 5  Double vision.
Signs and symptoms of foodborne botulism typically begin between 12 and 36 hours after the toxin gets into your body. But, the start of symptoms can range from a few hours to several days, depending on the amount of toxin ingested.Signs and symptoms of foodborne botulism include: 1  Difficulty swallowing or speaking.igns and symptoms of foodborne botulism typically begin between 12 and 36 hours after the toxin gets into your body. But, the start of symptoms can range from a few hours to several days, depending on the amount of toxin ingested. Signs and symptoms of foodborne botulism include: 1  Difficulty swallowing or speaking.