Flavoxate Hydrochloride

Common side effects include:​

• Nausea
• Take small but frequent meals, and avoid fatty or spicy food.
• Drowsiness
• This may affect your ability to drive and use machinery. Do not drive or do things which requires you to be alert.
• Dry mouth
• Chew sugar-free gum, suck on sugar-free hard candies or ice chips, sip water regularly
• Fast heartbeat (palpitation, tachycardia)
• If these become bothersome, consult your doctor.
• Confusion (especially in the elderly)
• If these become bothersome, consult your doctor

The symptoms of a drug allergy include one or more of the following:

• Swollen face/eyes/lips/tongue
• Difficulty in breathing
• Itchy skin rashes over your whole body

If you experience any of these symptoms, you should stop your medication and see your healthcare professional immediately.

​Inform your healthcare professional if:

• You are allergic to this medication or any of the other ingredients of this medication
• You are pregnant, planning to become pregnant, or breastfeeding
• You have myasthenia gravis, a condition related to skeletal muscle weakness
• Glaucoma, a condition where the eye pressure is increased
• You are not able to empty your bladder (urinary retention)
• You have problems with your digestive system (example obstruction of the gut, bleeding)
• You have achalasia, a condition where you are unable to swallow medications

​Avoid drinking alcohol as it may increase the risk of drowsiness.

Inform your healthcare professional if you are taking or intend to take any other medication, supplements, traditional medications or herbal remedies.