Generic Name: methamphetamine (METH am FET a meen)Brand Names: Desoxyn, Desoxyn Gradumet
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 is the most important information I should know about Desoxyn (methamphetamine)?Do not use methamphetamine if you have used an MAO inhibitor such as isocarboxazid (Marplan), tranylcypromine (Parnate), phenelzine (Nardil), rasagiline (Azilect), or selegiline (Eldepryl, Emsam) within the past 14 days. Serious, life-threatening side effects can occur if you take methamphetamine before the MAO inhibitor has cleared from your body. Do not use this medication if you are allergic to methamphetamine, or if you have hardened arteries (arteriosclerosis), heart disease, moderate to severe high blood pressure (hypertension), overactive thyroid, glaucoma, severe anxiety or agitation, or a history of drug or alcohol addiction. Some stimulants have caused sudden death in children and adolescents with serious heart problems or congenital heart defects. Before taking methamphetamine, tell your doctor if you have any type of heart problems. Do not give this medication to a child younger than 12 years old without the advice of a doctor.
Long-term use of methamphetamine can slow a child's growth. Tell your doctor if the child using this medication is not growing or gaining weight properly.Methamphetamine is a drug of abuse and may be habit-forming. Keep track of how many pills have been used from each new bottle of this medicine. You should be aware if any person in the household is using this medicine improperly or without a prescription. Using this medication improperly can cause death or serious side effects on the heart.
Do not use this medication if you are allergic to methamphetamine or if you have:
heart disease or moderate to severe high blood pressure (hypertension);
arteriosclerosis (hardening of the arteries);
severe anxiety, tension, or agitation; or
if you have a history of drug or alcohol addiction.
If you have any of these conditions, you may need a dose adjustment or special tests to safely use this medication:
a congenital heart defect;
high blood pressure;
heart failure, heart rhythm disorder, or recent heart attack;
a personal or family history of mental illness, psychotic disorder, bipolar illness, depression, or suicide attempt;
tics (muscle twitches) or Tourette's syndrome.
Long-term use of methamphetamine can slow a child's growth. Tell your doctor if the child using this medication is not growing or gaining weight properly.Do not give this medication to a child younger than 12 years old without the advice of a doctor.
Take this medication exactly as it was prescribed for you. Do not take the medication in larger amounts, or take it for longer than recommended by your doctor. Follow the directions on your prescription label.
Your doctor may occasionally change your dose to make sure you get the best results from this medication.Take this medication with a full glass of water.
If you are taking methamphetamine for weight loss and your appetite gradually increases, do not take more of the medication to suppress appetite. Stop taking methamphetamine and call your doctor.
To be sure this medication is helping your condition, your doctor will need to see you on a regular basis. Do not miss any scheduled visits.
This medication can cause you to have unusual results with certain medical tests. Tell any doctor who treats you that you are using methamphetamine.Store methamphetamine at room temperature away from moisture, heat, and light. Keep track of how many pills have been used from each new bottle of this medicine. Methamphetamine is a drug of abuse and you should be aware if any person in the household is using this medicine improperly or without a prescription. Using this medication improperly can cause death or serious side effects on the heart.
See also: Desoxyn dosage in more detail
Take the missed dose as soon as you remember. If it is almost time for your next dose, or if it is already evening, skip the missed dose and take the medicine the next morning. Taking this medicine late in the day can cause sleep problems. Do not take extra medicine to make up the missed dose.
Overdose symptoms may include restlessness, tremor, muscle twitches, rapid breathing, confusion, hallucinations, panic, aggressiveness, 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.
Do not take methamphetamine late in the day. A dose taken too late in the day can cause sleep problems (insomnia).
Avoid drinking fruit juices or taking vitamin C at the same time you take methamphetamine. These can make your body absorb less of the medicine.
fast, pounding, or uneven heartbeats;
feeling light-headed, fainting;
dangerously high blood pressure (severe headache, blurred vision, buzzing in your ears, anxiety, confusion, chest pain, shortness of breath, uneven heartbeats, seizure); or
tremor, restlessness, hallucinations, unusual behavior, or motor tics (muscle twitches).
Less serious side effects may include:
headache or dizziness;
sleep problems (insomnia);
dry mouth or an unpleasant taste in your mouth;
loss of appetite, weight loss; or
loss of interest in sex, impotence, or difficulty having an orgasm.
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.
Tell your doctor about all other medications you use, especially:
cold medicines (decongestants);
phenothiazines such as chlorpromazine (Thorazine), prochlorperazine (Compazine, Compro), promethazine (Pentazine, Phenergan, Anergan, Antinaus), thioridazine (Mellaril), and others;
an antidepressant such as amitriptyline (Elavil), amoxapine (Asendin), clomipramine (Anafranil), desipramine (Norpramin), imipramine (Tofranil), or nortriptyline (Pamelor).
This list is not complete and there may be other drugs that can interact with methamphetamine. Tell your doctor about all your prescription and over-the-counter medications, vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start a new medication without telling your doctor.