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methamphetamine

methamphetamine

Pronunciation: METH am FET a meen

Brand: Desoxyn

What is the most important information I should know about methamphetamine?

Multum habit

Methamphetamine is a drug of abuse and may be habit-forming, especially with long-term use for weight loss. Do not take this medicine for longer than recommended.Never share methamphetamine with another person, especially someone with a history of drug abuse or addiction. Keep the medication in a place where others cannot get to it.

When used to treat obesity, methamphetamine should be used only after other diets or medications have been tried without successful weight loss.

Multum donot

You should not use this medication if you have severe coronary artery disease (hardening of the arteries), current heart problems, moderate to severe high blood pressure, overactive thyroid, glaucoma, severe anxiety or agitation, or a history of drug or alcohol addiction.

Do not use methamphetamine if you have used an MAO inhibitor in the past 14 days. A dangerous drug interaction could occur. MAO inhibitors include isocarboxazid, linezolid, methylene blue injection, phenelzine, rasagiline, selegiline, tranylcypromine, and others.

What is methamphetamine?

Methamphetamine is a central nervous system stimulant. It affects chemicals in the brain and nerves that contribute to hyperactivity and impulse control.

Methamphetamine is used to treat attention deficit hyperactivity disorder (ADHD). It is also used to treat obesity after other diets or medications have been tried without successful weight loss.

Methamphetamine may also be used for other purposes not listed in this medication guide.

What should I discuss with my doctor before taking methamphetamine?

Do not use methamphetamine if you have used an MAO inhibitor in the past 14 days. A dangerous drug interaction could occur. MAO inhibitors include isocarboxazid, linezolid, methylene blue injection, phenelzine, rasagiline, selegiline, tranylcypromine, and others.

Multum donot

You should not take this medicine if you are allergic to methamphetamine or other stimulants, or if you have:

  • current heart problems, moderate to severe high blood pressure (hypertension);
  • severe coronary artery disease (hardening of the arteries);
  • overactive thyroid;
  • glaucoma;
  • severe anxiety, tension, or agitation; or
  • if you have a history of drug or alcohol addiction.
Multum emt

Some stimulants have caused sudden death in people with serious heart problems or congenital heart defects. Tell your doctor if you have:

  • heart disease, heart rhythm disorder;
  • coronary artery disease; or
  • history of heart attack.

To make sure methamphetamine is safe for you, tell your doctor if you have:

  • high blood pressure;
  • thyroid disorder
  • a personal or family history of mental illness, psychotic disorder, bipolar illness, depression, or suicide attempt;
  • peripheral vascular disease such as Raynaud's syndrome;
  • diabetes;
  • a history of seizures (convulsions) or an abnormal brain wave test called at EEG (electro-encephalograph); or
  • tics (muscle twitches) or Tourette's syndrome.
Multum habit

Methamphetamine is a drug of abuse and may be habit-forming, especially with long-term use for weight loss. Never share methamphetamine with another person, especially someone with a history of drug abuse or addiction. Keep the medication in a place where others cannot get to it.

Multum nopreg

FDA pregnancy category C. It is not known whether this medication will harm an unborn baby. It could cause premature birth, low birth weight, or withdrawal symptoms in a newborn if the mother takes methamphetamine during pregnancy. Tell your doctor if you are pregnant or plan to become pregnant while using this medication.

Multum nobrfeed

Methamphetamine can pass into breast milk and may harm a nursing baby. You should not breast-feed while using this medicine.

Methamphetamine can affect growth in children. Talk with your doctor if you think your child is not growing at a normal rate while using this medication.

Multum nochild

Do not give this medicine to a child with ADHD who is younger than 6 years old without the advice of a doctor. Do not use methamphetamine to treat obesity in a child younger than 12 years old without the advice of a doctor.

How should I take methamphetamine?

Follow all directions on your prescription label. Never take this medicine in larger amounts, or for longer than prescribed.

Your doctor may occasionally change your dose or have you stop taking the medicine to make sure you get the best results. Follow all dosing instructions very carefully.

If you are taking methamphetamine to treat obesity and your appetite gradually increases, do not increase your dose. Stop taking the medicine and call your doctor.

Your doctor will need to check your progress while you are using methamphetamine. Your blood pressure and heart rate will need to be checked often.

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Store at room temperature away from moisture, heat, and light.

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Keep track of the amount of medicine used from each new bottle. You should be aware if anyone is using your medicine improperly or without a prescription. Using this medication improperly can cause death or serious side effects on the heart.

What happens if I miss a dose?

Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose, or if it is already evening. Taking this medicine late in the day can cause sleep problems. Do not take extra medicine to make up the missed dose.

What happens if I overdose?

Multum emt

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. An overdose of methamphetamine can be fatal.

Overdose symptoms may include restlessness, tremor, muscle twitches, rapid breathing, confusion, hallucinations, panic, aggression, unexplained muscle pain or tenderness, muscle weakness, fever or flu symptoms, and dark colored urine. These symptoms may be followed by depression and tiredness. Other overdose symptoms include nausea, vomiting, diarrhea, stomach pain, uneven heartbeats, feeling light-headed, fainting, seizure (convulsions), or coma.

What should I avoid while taking methamphetamine?

Multum dizzy

Methamphetamine can cause side effects that may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be awake and alert.

Do not take methamphetamine late in the day or you could have sleep problems (insomnia).

Avoid drinking cranberry juice or taking vitamin C at the same time you take methamphetamine. These can make your body absorb less of the medicine.

What are the possible side effects of methamphetamine?

Multum emt

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Multum emt

Some stimulants have caused sudden death in people with serious heart problems or congenital heart defects. Get emergency medical help if you have chest pain, shortness of breath, or feel like you might pass out.

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Stop using methamphetamine and call your doctor at once if you have:

  • severe restless feeling, unusual thoughts or behavior, hallucinations (seeing or hearing things that are not real), paranoia;
  • hostile or aggressive behavior;
  • vision changes;
  • seizures (convulsions);
  • numbness, pain, cold feeling, unexplained wounds, or skin color changes (pale, red, or blue appearance) in your fingers or toes;
  • pounding heartbeats or fluttering in your chest, chest pain spreading to the jaw or shoulder;
  • penis erection that is painful or lasts 4 hours or longer (rare); or
  • sudden numbness or weakness (especially on one side of the body), sudden severe headache, slurred speech, problems with vision or balance.

Common side effects may include:

  • headache or dizziness;
  • sleep problems (insomnia);
  • dry mouth, upset stomach;
  • tremors; or
  • loss of appetite, weight loss.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What other drugs will affect methamphetamine?

Tell your doctor about all medicines you use, and those you start or stop using during your treatment with methamphetamine, especially:

  • medication to treat depression or mental illness;
  • insulin;
  • blood pressure medication; or
  • seizure medication.

This list is not complete. Other drugs may interact with methamphetamine, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed in this medication guide.

Where can I get more information?

Your pharmacist can provide more information about methamphetamine.


Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

Every effort has been made to ensure that the information provided by Cerner Multum, Inc. ('Multum') is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Multum information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Multum does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Multum's drug information does not endorse drugs, diagnose patients or recommend therapy. Multum's drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Multum does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.

Copyright 1996-2014 Cerner Multum, Inc. Version: 6.01. Revision date: 1/13/2014.

Your use of the content provided in this service indicates that you have read, understood and agree to the End-User License Agreement, which can be accessed by clicking on this link.

This information does not replace the advice of a doctor. Healthwise, Incorporated disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. How this information was developed to help you make better health decisions.

Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.

Last modified on: 21 November 2014


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