Localized muscle spasm

Localized muscle spasms, also known as muscle cramps, are sudden and involuntary contractions of one or more muscle groups. These painful, involuntary contractions can be caused by a variety of factors, such as dehydration, muscle fatigue, electrolyte imbalances, and nerve irritation.
Common Medications:

Quinine: Quinine is an alkaloid that has been used to relieve muscle cramps by relaxing the muscles and reducing muscle spasms. It is usually available as an over-the-counter tablet or capsule.
Calcium channel blockers: These medications, such as Nifedipine, help to relax the muscles by blocking calcium channels in the muscle cells. They are typically prescribed by healthcare professionals for severe or persistent muscle spasms.
Muscle relaxants: Medications like Cyclobenzaprine and Carisoprodol work by suppressing the signals in the brain that cause muscle spasms. These medications are usually prescribed by healthcare professionals and are typically used for short-term treatment of muscle spasms.

Consult with a healthcare professional before starting any medication to ensure its suitability and safety for the individual’s specific condition.