Let's take a minute to talk about your medication. This is hyoscyamine. It can be used as a part of treatment for many different conditions. A few of these include stomach ulcers, abdominal cramps, irritable bowel, tremors and even to reduce mucus secretions as a drying agent. It may have other uses, too. Hyoscyamine comes in many different forms, so it is important that you take it exactly as prescribed. If you are taking a liquid form, use the measuring device that comes with the product or an oral syringe. This will make sure you get the right dose. Most people tolerate hyoscyamine well, but some side effects can occur. These include headache, dry mouth, blurred vison, fatigue and dizziness. You should know how this medicine affects you before doing activities that require you to be alert, like driving. Talk to your doctor if you notice any unusual changes in your body. If these or other side effects make you want to stop taking this medicine, please talk to your doctor or pharmacist. This medicine may decrease sweating so, you should avoid activities that might make you overheated, like working outside in the heat. As with any medicine more serious side effects can occur. Some of these include problems with speech, confusion, increased heart rate and hallucinations. You should read the patient information sheet to know which symptoms to watch for and when to report them. Hyoscyamine can interact with other medicines. You should tell your doctor about all the medicines you take, even if they do not require a prescription. Women should talk to their doctor before becoming pregnant or breastfeeding. For best results, take hyoscyamine exactly as prescribed by your doctor.