Valthabest Tablet is used to treat pain due to smooth muscle spasms. It stops sudden muscle contractions (spasms), thereby relieving cramps, pain, and discomfort. Valthabest Tablet is taken with or without food in a dose and duration as advised by the doctor. You should keep taking this medicine for as long as your doctor recommends. If you stop treatment too early your symptoms may come back and your condition may worsen. Let your doctor know about all other medications you are taking as some may affect, or be affected by this medicine. The most common side effects are blurred vision, increased heart rate, dilatation of the pupil, and constipation. Most of these are temporary and usually resolve with time. Contact your doctor straight away if you are at all concerned about any of these side effects. Dry mouth may also occur as a side effect. But, frequent mouth rinses, good oral hygiene, increased water intake, and sugarless candy may help you. Avoid alcohol intake while having this medicine as it may worsen your side effects. Pregnant or breastfeeding women should also consult their doctor before taking this medicine. Before taking this medicine, you should let your doctor know if you have liver and kidney problems.