Relentus - Tablet Tizanidine - 2mg 10 Tablet(s) / Strip Beximco Pharmaceuticals Ltd. Introduction: Relentus is a muscle relaxer. It provides relief from the discomfort associated with acute, painful musculoskeletal conditions such as rigidity, tension, stiffness, and muscle spasms. Relentus can be taken with or without food. Generally, you should try to use the smallest amount necessary to control your symptoms, for the shortest possible time. You should take this medicine regularly while you need it. Try not to miss doses as this will make the medicine less effective. Some common side effects of this medicine include dry mouth, sleepiness, diarrhea, tiredness, and dizziness. If any of these side effects do not go away... Uses of Relentus: Muscle relaxation Side effects of Relentus: DizzinessSleepinessDryness in mouthUpset stomach How to use Relentus: Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. Relentus may be taken with or without food, but it is better to take it at a fixed time. How Relentus works: Relentus is a muscle relaxant. It works on the centres in the brain and spinal cord to relieve muscle stiffness or spasm without reduction in strength. This improves pain and movement of muscles. What if you forget to take Relentus?: If you miss a dose of Relentus, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular schedule. Do not double the dose. Indication: Spasticity, Painful muscle spasm Adult Dose: Oral Muscle Spasticity Spasticity associated with multiple sclerosis and spinal cord injury Initial: 2 mg q6-8hr; no more than 3 doses q24hr Maintenance: Increase by 2 to 4 mg until satisfactory response is achieved with minimum 1-4 days between dose increments Not to exceed 36 mg/day Painful muscle spasm associated with musculoskeletal conditions Adult: 2-4 mg tid. Elderly: Not recommended. Hepatic impairment: Avoid or use with extreme caution. Child Dose: Child < 18 years: Not recommended Renal Dose: Renal impairment: CrCl (ml/min) Dosage Recommendation <25 Initially, 2 mg once daily, gradually increasing the dose before increasing the frequency of admin. Contraindication: Severe hepatic dysfunction. Mode of Action: Tizanidine, an alpha2-adrenergic agonist, is a centrally acting muscle relaxant structurally related to clonidine. It reduces spasticity by increasing presynaptic inhibition of motor neurons and has no direct effect on skeletal muscle, the neuromuscular junction or on monosynaptic spinal reflexes. Precaution: Hepatic or renal insufficiency. Children, elderly, pregnancy and lactation. Monitor LFT regularly. Stop treatment if liver enzymes are raised persistently >3 times upper limit of normal range. Avoid abrupt withdrawal of therapy. Lactation: May be excreted in breast milk due to lipophilic nature; use caution Side Effect: >10% Dry mouth (46-50%),Somnolence (46-50%),Dizziness (16-20%),Asthenia (10-45%) 1-10% Blurred vision (3%),Constipation (4%),Infection (6%),LFT abnormalities (3-5%),Speech disorder (3%),Vomiting (3%),Urinary frequency (3%),UTI (10%) Frequency Not Defined Asthenia,Bradycardia,Hypotension,Orthostatic hypotension,Syncope (rare) Potentially Fatal: Hepatitis. Interaction: Potentiates hypotensive effect of antihypertensives. Increased CNS effects with alcohol and CNS depressants. Increased bradycardia with ?-blockers and digoxin. Increased serum concentration of tizanidine with CYP1A2 inhibitors e.g. zileuton, ciprofloxacin and other fluoroquinolones, antiarrhythmics, cimetidine, famotidine, oral contraceptives, aciclovir and ticlopidine. Decreased serum concentrations of tizanidine with rifampicin. Use with caution with drugs that may prolong QT interval.