MethamphetamineOral - Drug Information and Side Effects on Drug3k.com


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Methamphetamine images:

Overview

Photos

How To Use

Side Effects

Precautions

Missed Dose

Drug Interactions

Methamphetamine

Uses
Methamphetamine is a stimulant and is used to treat a certain attention disorder (attention deficit hyperactivity disorder-ADHD) in children older than 6 years. It is used as part of a total treatment plan, including psychological, educational, and social treatments. It may help increase the ability to pay attention, concentrate, and stop fidgeting.This medication is also used along with a doctor-approved, reduced-calorie diet as an aid to help significantly overweight (obese) people lose weight. It should only be used for a short time (a few weeks) in patients who have not lost enough weight with other treatments (e.g., dieting, other drugs, group programs). It may work by decreasing your appetite.This medication should not be used to treat tiredness or to hold off sleep in people who do not have a sleep disorder.
Notes

Do not share this medication with others.
It is against the law.This medication may raise your blood pressure.
Laboratory and/or medical tests (e.g., blood pressure, heart rate, growth monitoring in children) may be performed to check for side effects.
Consult your doctor for more details.

Storage

Store at room temperature below 86 degrees F (30 degrees C) away from light and moisture.
Do not store in the bathroom.
Keep all medicines away from children and pets.

Overdose

Symptoms of overdose may include: restlessness, shaking (tremor), fast breathing, mental/mood changes, irregular heartbeat, muscle pain/tenderness, weakness, nausea, vomiting, change in the amount of urine.

How To Use

For ADHD, take this medication by mouth with or without food, usually once or twice daily or as directed by your doctor.
During treatment, your doctor may occasionally recommend stopping the medication for a short time to see whether there are any changes in your behavior and whether the medication is still needed.For weight loss, take this medication by mouth, usually half an hour before each meal or as directed by your doctor.
Take this medication exactly as prescribed.Do not take this medication late in the evening because it may cause you to have trouble sleeping.This medication may cause dependence, especially if it has been used regularly for an extended time or if it has been used in high doses.
In such cases, withdrawal reactions (e.g., extreme tiredness, mental/mood changes such as agitation) may occur if you suddenly stop this drug.
To prevent withdrawal reactions when stopping extended, regular treatment with this drug, gradually reduce the dosage as directed.
Consult your doctor or pharmacist for more details, and report any withdrawal reactions immediately.Though very unlikely, abnormal drug-seeking behavior (addiction) is possible with this medication.
Do not increase your dose, take it more frequently, or take it for a longer time than prescribed.
Properly stop the medication when so directed.When used for an extended period, this medication may not work as well and may require different dosing (if taken for ADHD) or stopping the medication (if taken for weight loss).
Talk with your doctor if this medication stops working well.Inform your doctor if your condition persists or worsens.

Side Effects

Dry mouth, nausea, upset stomach, diarrhea, constipation, dizziness, trouble sleeping, or headache may occur.
If any of these effects persist or worsen, notify your doctor promptly.Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects.
Many people using this medication do not have serious side effects.Tell your doctor immediately if any of these unlikely but serious side effects occur: blurred vision, swelling of ankles/feet, rapid/unexplained weight loss, fast/irregular heartbeat, mental/mood/behavior changes (e.g., agitation, aggression, mood swings, depression, abnormal thoughts), uncontrolled movements (e.g., muscle twitching/shaking), outbursts of words/sounds, change in sexual ability/interest.Seek immediate medical attention if any of these rare but very serious side effects occur: shortness of breath, chest pain, jaw/left arm pain, fainting, seizures, blurred vision, weakness on one side of the body, slurred speech, confusion..A very serious allergic reaction to this drug is rare.
However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including: rash, itching, swelling, severe dizziness, trouble breathing.If you notice other effects not listed above, contact your doctor or pharmacist.

Precautions

Before taking methamphetamine, tell your doctor or pharmacist if you are allergic to it; or to other sympathomimetic amines (e.g., dextroamphetamine); or if you have any other allergies.This medication should not be used if you have certain medical conditions.
Before using this medicine, consult your doctor or pharmacist if you have: glaucoma, heart/blood vessel disease (e.g., coronary artery disease, angina, irregular heartbeat, valve disorders, heart failure, cardiomyopathy), problems with heart structure (e.g., valve problems), history of heart attack or stroke, moderate or severe high blood pressure (hypertension), overactive thyroid (hyperthyroidism), personal or family history of regular use/abuse of drugs/alcohol, certain mental/mood conditions (e.g., severe agitation, unusual/unrealistic thoughts, psychosis).Before using this medication, tell your doctor or pharmacist your medical history, especially of: diabetes, mild high blood pressure (hypertension), personal or family history of uncontrolled movements or outbursts of words/sounds (e.g., due to Tourette's syndrome), family history of sudden death/irregular heartbeat/rhythm, family/personal history of mental/mood disorders (e.g., bipolar disorder, depression, psychotic disorder, suicidal thoughts), seizures.This drug may make you dizzy.
Use caution while driving, using machinery, or taking part in any other activity that requires alertness.
Limit alcoholic beverages because they may increase the risk of side effects.Before having surgery, tell your doctor or dentist that you are taking this medication.Caution is advised when using this drug in the elderly because they may be more sensitive to its effects.Caution is advised when using this drug in children because it may affect weight, growth rate, and final height.
The doctor may recommend temporarily stopping the medication from time to time to reduce this risk.
Monitor your child's weight and height and consult your doctor or pharmacist for more details.During pregnancy, this medication should be used only when clearly needed.
Infants born to mothers who are dependent on this medication may be born too soon (premature) and have low birth weight.
Discuss the risks and benefits with your doctor.
They may also have withdrawal symptoms such as irritability, abnormal/persistent crying, or unusual tiredness.
Tell your doctor immediately if you notice any of these symptoms in your newborn.This drug passes into breast milk and could have undesirable effects on a nursing infant.
Therefore, breast-feeding is not recommended while using this drug.
Consult your doctor before breast-feeding.

Missed Dose

If you miss a dose, take it as soon as you remember.
If it is near the time of the next dose, skip the missed dose and resume your usual dosing schedule.
Do not double the dose to catch up.

Drug Interactions

Your doctor or pharmacist may already be aware of any possible drug interactions and may be monitoring you for them.
Do not start, stop, or change the dosage of any medicine before checking with your doctor or pharmacist first.Avoid taking MAO inhibitors (e.g., furazolidone, isocarboxazid, linezolid, moclobemide, phenelzine, procarbazine, rasagiline, selegiline, tranylcypromine) within 2 weeks before, during, and after treatment with this medication.
In some cases a serious (possibly fatal) drug interaction may occur.If you are currently using any of these medications listed above, tell your doctor or pharmacist before starting methamphetamine.Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially of: antidepressants (e.g., venlafaxine, tricyclic antidepressants such as amitriptyline, SSRIs such as fluoxetine), insulin, medications for high blood pressure (e.g., guanethidine, beta blockers such as atenolol), medications that affect the acid level of the urine (e.g., sodium bicarbonate, acetazolamide), other stimulant medications (e.g., methylphenidate), phenothiazines (e.g., chlorpromazine, thioridazine).Check the labels on all your medicines (e.g., cough-and-cold products, diet aids) because they may contain ingredients that could increase your heart rate or blood pressure.
Ask your pharmacist about using those products safely.This medication may interfere with certain laboratory tests (including corticosteroid levels), possibly causing false test results.
Make sure laboratory personnel and all your doctors know you use this drug.Also report the use of drugs which might increase seizure risk when combined with this medication such as isoniazid (INH), phenothiazines (e.g., thioridazine), theophylline, or tricyclic antidepressants (e.g., amitriptyline), among others.
Consult your doctor or pharmacist for details.

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CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgement of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.