BUY RITALIN SR ONLINE
BUY RITALIN SR ONLINE, RITALIN SR, methylphenidate hydrochloride USP, is a mild central nervous system (CNS) stimulant, available as tablets of 5, 10, and 20 mg for oral administration; Ritalin
-SR is available as sustained-release tablets of 20 mg for oral administration. Methylphenidate hydrochloride is methyl phenyl2piperidineacetate hydrochloride, and its structural formula is
RITALIN SR USP is a white, odorless, fine crystalline powder. Its solutions are acid to
litmus. It is freely soluble in water and in methanol, soluble in alcohol, and slightly soluble in chloroform and in acetone. Its molecular weight is 269.77.
RITALIN SR tablets: D&C Yellow No. 10 (5mg and 20mg tablets), FD&C Green No. 3 (10mg tablets), lactose, magnesium stearate, polyethylene glycol, starch (5mg and 10mg tablets), sucrose, talc, and tragacanth (20mg tablets).Ritalin SR tablets: Cellulose compounds, cetostearyl alcohol, lactose, magnesium stearate, mineral oil, povidone, titanium dioxide, and zein
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This medication is used to treat attention deficit hyperactivity disoADHDrder–. It works by changing the amounts of certain natural substances in the brain. Methylphenidate belongs to a class of drugs known as stimulants. It can help increase your ability to pay attention, stay focused on an activity, and control behavior problems. It may also help you to organize your tasks and improve listening skills.
This medication is also used to treat a certain sleep disorder (narcolepsy).
How to use RITALIN-SR
Read the Medication Guide provided by your pharmacist before you start taking methylphenidate and each time you get a refill. If you have any questions, ask your doctor or pharmacist.
Take this medication by mouth as directed by your doctor, usually 2 or 3 times a day. This medication is best taken 30 to 45 minutes before a meal. However, if you have stomach upset, you may take this medication with or after a meal or snack. Taking this medication late in the day may cause trouble sleeping (insomnia).
Do not crush or chew this medication. Doing so can release all of the drugs at once, increasing the risk of side effects. Also, do not split the tablets unless they have a score line and your doctor or pharmacist tells you to do so. Swallow the whole or split tablet without crushing or chewing.
Take this medication regularly to get the most benefit from it. To help you remember, take it at the same times each day.
The dosage is based on your medical condition and response to treatment. Your doctor may direct you to gradually increase or decrease your dose. Also, if you have used it for a long time, do not suddenly stop using this drug without consulting your doctor.
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This medication may cause withdrawal reactions, especially if it has been used regularly for a long time or in high doses. In such cases, withdrawal symptoms (such as depression, suicidal thoughts, or other mental/mood changes) may occur if you suddenly stop using this medication. To prevent withdrawal reactions, your doctor may reduce your dose gradually. Consult your doctor or pharmacist for more details, and report any withdrawal reactions right away.
When used for a long time, this medication may not work as well. Talk with your doctor if this medication stops working well.
Though it helps many people, this medication may sometimes cause addiction. This risk may be higher if you have a substance use disorder (such as overuse of or addiction to drugs/alcohol). Take this medication exactly as prescribed to lower the risk of addiction. Ask your doctor or pharmacist for more details.
Tell your doctor if your condition does not improve or if it worsens.
RITALIN SR should not be used in patients being treated (currently or within the proceeding two weeks) with MAO Inhibitors Because of possible effects on blood pressure, RITALIN SR should be used cautiously with pressor agents.
Methylphenidate may decrease the effectiveness of drugs used to treat hypertension.
Methylphenidate is metabolized primarily to ritualistic acid by de-esterification and not through oxidative pathways.
Human pharmacologic studies have shown that racemic methylphenidate may inhibit the
metabolism of coumarin anticoagulants, anticonvulsants (e.g., phenobarbital, phenytoin, primidone), and tricyclic drugs (e.g., imipramine, clomipramine, desipramine). Downward
dose adjustments of these drugs may be required when given concomitantly with methylphenidate. It may be necessary to adjust the dosage and monitor plasma drug concentration (or, in case of coumarin, coagulation times), when initiating or discontinuing methylphenidate.
Serious adverse events have been reported in concomitant use with clonidine, although no causality for the combination has been established. The safety of using methylphenidate in combination with clonidine or other centrally acting alpha-2-agonists has not been systematically evaluated.
Carcinogenesis/Mutagenesis/Impairment of Fertility
In a lifetime carcinogenicity study carried out in B6C3F1 mice,methylphenidate caused an increase in hepatocellular adenomas and, in males only, an increase inhepatoblastomas, at a
daily dose of approximately 60 mg/kg/day. This dose is approximately 30 times and 4 times the maximum recommended human dose on an mg/kg and mg/m 2basis, respectively. Hepatoblastoma is a relatively rare rodent malignant tumor type. There was no increase in total malignant hepatic tumors. The mouse strain used is sensitive to the development of hepatic tumors, and the significance of these results to humans is unknown.
Methylphenidate did not cause any increases in tumors in a lifetime carcinogenicity
the study carried out in F344 rats; the highest dose used was approximately 45 mg/kg/day, which is approximately 22 times and 5 times the maximum recommended human dose on an mg/kg and mg/m2basis, respectively.
DOSAGE AND ADMINISTRATION
Dosage should be individualized according to the needs and responses of the patient.
Adults Tablets: Administer in divided doses 2 or 3 times daily, preferably 30 to 45 minutes before meals.
The average dosage is 20 to 30 mg daily. Some patients may require 40 to 60 mg daily. In others, 10 to 15mg daily will be adequate. Patients who are unable to sleep if medication is taken late in the day should take the last dose before 6 p.m.SR Tablets: Ritalin SR tablets have a duration of action of approximately 8 hours. Therefore, Ritalin-SR tablets may be used in place of RITALIN SR tablets when the 8hour dosage of Ritalin SR corresponds to the titrated 8hour dosage of RITALIN SR. Ritalin SR tablets must be swallowed whole and never crushed or chewed.
Children (6 years and over)Ritalin should be initiated in small doses, with gradual weekly increments. Daily dosage above 60 mg is not recommended.
If improvement is not observed after appropriate dosage adjustment over a
1month period, the drug should be discontinued. Tablets: Start with 5 mg twice daily (before breakfast and lunch) with gradual increments of 5 to 10 mg weekly.
SR Tablets: RITALIN SR tablets have a duration of action of approximately 8 hours. Therefore, RITALIN SR tablets may be used in place of RITALIN SR tablets when the 8hour dosage of Ritalin SR corresponds to the titrated 8hour dosage of RITALIN SR. Ritalin SR tablets must be swallowed whole and never crushed or chewed.
If paradoxical aggravation of symptoms or other adverse effects occur, reduce dosage, or, if necessary, discontinue the drug.
RITALIN SR should be periodically discontinued to assess the child’s condition. Improvement may be sustained when the drug is either temporarily or permanently discontinued.
Drug treatment should not and need not be indefinite and usually may be discontinued after puberty.
Before taking RITALIN SR, tell your doctor or pharmacist if you are allergic to it, or to dexmethylphenidate; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: high blood pressure, blood circulation problems (such as Raynaud’s disease), glaucoma, heart problems (such as irregular heartbeat, heart failure, previous heart attack, problems with heart structure), family history of heart problems (such as sudden cardiac death, irregular heartbeat), mental/mood conditions (especially anxiety, tension, agitation), personal/family history of mental/mood disorders (such as bipolar disorder, depression, psychosis, suicidal thoughts), personal/family history of uncontrolled muscle movements (motor tics, Tourette’s syndrome), overactive thyroid (hyperthyroidism), seizure disorder.
This drug may make you dizzy. Alcohol or marijuana can make you dizzier. Do not drive, use machinery, or do anything that needs alertness until you can do it safely. Limit alcoholic beverages. Talk to your doctor if you are using marijuana.
Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).
If used for a long time, this drug may affect a child’s growth rate, weight, and final adult height. To reduce the risk, the doctor may recommend briefly stopping the medication from time to time. Check the child’s weight and height regularly, and consult your doctor or pharmacist for more details.
Older adults may be more sensitive to the side effects of this drug, especially trouble sleeping, weight loss, or chest pain.
During pregnancy, RITALIN SR should be used only when clearly needed. Discuss the risks and benefits with your doctor.
This medication passes into breast milk. Consult your doctor before breast-feeding.