What is Zanaflex used for?
Zanaflex is a muscle relaxer prescribed to reduce muscles rigidity and remove muscular spasms (cramps), caused by some diseases, for example, by multiple sclerosis and injury of a spinal cord. Decrease or removal of muscle spasms helps to reduce pain and to improve motor function. Tizanidine, which is a main component of Zanaflex, is a short-acting muscle relaxant, operating by means of blocking of certain nervous signals transmitted from spinal cord to a brain (alpha and adrenergic agonist).
How should I take Zanaflex?
Take Zanaflex according to your doctor's prescription. It is recommended to increase the drug dosages slowly at the beginning of treatment under the supervision of your physician in order to minimize a possibility of side effects (first of all, dizziness and drowsiness). Your doctor or a pharmacy specialist should provide you with a detailed instruction how to take Zanaflex.
What is Zanaflex dosage?
You can buy Zanaflex 2mg or Zanaflex 4mg pills. You can also choose to order Zanaflex brand or Zanaflex generic.
How long does Zanaflex to start acting?
You can usually experience the drug effect in 1-2 hours after intake. Zanaflex action usually lasts for 6-8 hours. You can take Tizanidine each 6-8 hours, but the total daily dose should not exceed 36 mg or three doses in 24 hours. The dosage of the drug depends on your health condition and individual susceptibility to treatment.
The drug will be soaked up differently depending on what form of Zanaflex you are using, tablets or pills. Absorption rate also depends on the way of intake: with food, on an empty stomach or powdering food with pill's content. Discuss with your doctor what form of the drug will be the best for you, especially if you would like to change the drug form or the doctor has prescribed you Zanaflex in another form (pills or tablets).
Using Tizanidine may lead to the drug addiction, especially if it is used for a long time or in high dosages. Withdrawal symptoms are possible in case of rapid termination of the drug intake (uneasiness, tremor, an increase of arterial pressure, heart rate, strengthening of muscle tension). If you have used Zanaflex for a long time and want to stop taking it, reduce Tizanidine dosage gradually, strictly according to your doctor's instruction in order to avoid withdrawal symptoms. Apply for additional information to your healthcare provider or a pharmacy specialist.
Side effects of Zanaflex
The most common Zanaflex (Tizanidine) side effects are:
- dry mouth;
- weakness and feeling of fatigue.
If you experience some of the symptoms listed above, contact your doctor immediately.
You may suck sweet candies (without sugar) or ice slices, chew chewing gum without sugar, drink water or use saliva substitutes in order to reduce dry mouth symptom.
Remember, that if your doctor prescribed this drug for you, he/she has considered an advantage of its use as more significant, than the risk from possible side effects. Many people, who used Zanaflex, did not have serious side effects.
If you experience rare, but serious side effects like faints, rapid mood swings, hallucinations, frequent urination, painful urination, vision or hearing disorders (for example, indistinct vision), seek medical help immediately or contact your doctor.
You should also immediately contact your doctor if you have any of the following rare, but extremely serious side effects: black excrements, slow or rough heartbeat.
There are known a few exceptional cases, when using of Tizanidine has led to serious (potentially fatal) damages of a liver. Inform your doctor immediately if you have symptoms liver disorder (incessant nausea, stomach or intestines ache, dark urine, yellowness of whites of your eyes or skin).
Heavy allergic reaction to the drug is improbable, however, ask for medical care immediately if you start to experience the following symptoms: skin rash, itch, strong dizziness, hard breathing.
The list of possible side effects provided here is not exhaustive. Report your attending physician if you have other unusual or undesirable effects.
What are the most common side effects of Zanaflex?
Common Zanaflex side effects include:
- Medicinal hepatitis;
- Urinary tract infections;
- Skin ulcers;
- An increase in body temperature;
- Feeling of prickling and numbness;
- A decrease in arterial pressure;
- Irritation of throat mucous membrane;
- Mucous nose membrane inflammation;
- Dry mouth;
- Digestive disorders;
- Incomplete or rare bowel emptying;
- Muscular weakness;
- Increased sweating;
- Some movement difficulties;
- Skin rash;
- Speech difficulty;
- Stomach spasm;
Less widespread side effects include:
- Vision disorders;
- Vision disorders caused by drugs;
- Eye pain;
- Cordial rhythm disorders;
- Acute infections of nose or throat;
- Gastrointestinal bleeding;
- Kidney stones;
- Decrease in intelligence;
- Convulsive attacks;
- Candidosis infections
- Reduced activity of thyroid gland;
- Increased level of leukocytes;
- Heavy shiver;
- Visible fluid retention;
- Weight loss;
- Swallowing difficulties;
- Mood swings;
- Loss of sense of reality or ability for self-identification;
Tell your attending physician if you have allergic reactions to Tizanidine (or any other medicine allergies), before taking Zanaflex.
You should also inform your physician about all diseases you had in past, in particular, those connected with low arterial pressure or heart diseases, chronic kidney failure or liver disorders.
Zanaflex may cause dizziness, drowsiness or vision disorders (indistinct vision). That is why you should be alert when performing actions demanding special attention (driving a car, work with potentially dangerous equipment). Avoid drinking alcohol while Zanaflex intake.
Avoid sharp standing up from sitting or lying position in order to prevent dizziness.
Elderly people should take Zanaflex with caution because they are more prone to side effects (in particular dizziness and drowsiness).
May I take Zanaflex while pregnant?
Avoid taking Zanaflex during pregnancy and breastfeeding. You may use the drug only in case of explicit need. Discuss advantages /risks ratio of Zanaflex intake during pregnancy and breastfeeding with your doctor.
Your attending physician is most likely informed about possible interactions of Zanaflex with other medicines. Do not start to take the drug, do not cancel drug intake and do not change the dosage without your doctor permission.
In order to avoid possible serious interactions, do not take Zanaflex with medicines provided below:
Inform your attending physician or pharmacy specialist before using Zanaflex, If you take any of these drugs at the moment.
Tell your doctor or pharmacy manager about all prescription, over the counter and natural supplements you are currently taking. Especially about using of antiarrhythmic drugs (Amiodaron, mexiletine, propafenone, verapamil), oral contraceptives, medicines for lowering of arterial pressure - for example, lisinopril, beta-blockers (propranolol, clonidine, Methyldopum, guanfacine), Cimetidine, drugs influencing activity of the liver enzymes participating in Tizanidine removal from your body (zileuton, acyclovir, some antibiotics - for example, norfloxacin), diuretics (furosemide, thiazide).
Report your attending physician or your druggist about using of other medicines, which may cause drowsiness: some antihistaminic drugs, anticonvulsant drugs (carbamazepine), hypnotic drugs and sedatives, muscle relaxants, narcotic analgesics (codeine), some drugs used in psychiatric practice, tranquilizers.
Check information about all compounds of all drugs you are using at the moment (for example, cough or SARS remedies), as they may contain components causing drowsiness. The composition of any drug is usually specified on the packaging. Check with your doctor or drugstore manager, whether using these drugs is safe for you.
Do not use the over the counter drugs containing Cimetidine to reduce gastric frustration or heartburn. Do not start and do not stop Zanaflex intake without the permission of your doctor.
This description does not contain data on all possible medicinal interactions of Zanaflex. That is why it is strongly recommended to report your doctor about all medicines you are currently taking. Keep the list of all taken medicines around in case the need to consult with your physician.
If you experience Zanaflex overdose symptoms, immediately contact your local toxicological center or call the ambulance. Most common symptoms of Tizanidine overdose are heavy drowsiness, faints, hard breathing, loss of consciousness.
In order to control the course of treatment and identify side effects, you should attend your doctor for some medical tests, like measurement of arterial pressure, functional liver tests. Contact your healthcare provider for a detailed explanation.
If you've missed your dosage of Zanaflex take it as soon as you remember it. If it has happened shortly before the time of your following dose intake, pass this dose and continue to take drug according to your usual schedule. Do not try to compensate the missed dose.
Keep out of direct light and increased humidity at room temperature (25C). Short time storage is allowed at a temperature of 15-30C by Page. Do not store drug in a bathroom. Keep the drug out of reach of children and pets.
Where to buy Zanaflex without a prescription?
You can buy Zanaflex online without prescription in online pharmacies. It is easy to order cheap Zanaflex with overnight delivery in Canadian pharmacy. You may also buy Zanaflex generic in Mexican or another offshore pharmacy without Rx.