You should not use Desoxyn if you have glaucoma, overactive thyroid, severe agitation, moderate to severe high blood pressure, heart disease or coronary artery disease, or a history of drug abuse.

Desoxyn may be habit-forming, and this medicine is a drug of abuse. Tell your doctor if you have had problems with drug or alcohol abuse.

Stimulants have caused stroke, heart attack, and sudden death in people with high blood pressure, heart disease, or a heart defect.

Do not use Desoxyn if you have used an MAO inhibitor in the past 14 days, such as isocarboxazid, linezolid, methylene blue injection, phenelzine, rasagiline, selegiline, or tranylcypromine.

Desoxyn may cause new or worsening psychosis (unusual thoughts or behavior), especially if you have a history of depression, mental illness, or bipolar disorder.

You may have blood circulation problems that can cause numbness, pain, or discoloration in your fingers or toes.

Call your doctor right away if you have: signs of heart problems--chest pain, feeling light-headed or short of breath; signs of psychosis--paranoia, aggression, new behavior problems, seeing or hearing things that are not real; signs of circulation problems--unexplained wounds on your fingers or toes.

You should not use Desoxyn if you are allergic to any stimulant medicine, or if you have:

• moderate to severe high blood pressure;

• heart disease or coronary artery disease (hardened arteries);

• overactive thyroid;

• glaucoma;

• severe anxiety, tension, or agitation (stimulant medicine can make these symptoms worse); or

• a history of drug or alcohol addiction.

Do not use Desoxyn 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.

Some medicines can interact with Desoxyn and cause a serious condition called serotonin syndrome. Be sure your doctor knows if you also take opioid medicine, herbal products, or medicine for depression, mental illness, Parkinson's disease, migraine headaches, serious infections, or prevention of nausea and vomiting. Ask your doctor before making any changes in how or when you take your medications.

Stimulants have caused stroke, heart attack, and sudden death in certain people. Tell your doctor if you have:

• heart problems or a congenital heart defect;

• high blood pressure; or

• a family history of heart disease or sudden death.

To make sure this medicine is safe for you, tell your doctor if you or anyone in your family has ever had:

• depression, mental illness, bipolar disorder, psychosis, or suicidal thoughts or actions;

• motor tics (muscle twitches) or Tourette's syndrome;

• seizures or epilepsy;

• an abnormal brain wave test (EEG);

• diabetes; or

• blood circulation problems in the hands or feet.

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

Taking Desoxyn during pregnancy can cause premature birth, low birth weight, or withdrawal symptoms in the newborn baby. Tell your doctor if you are pregnant or plan to become pregnant.

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

Desoxyn is not approved for use by anyone younger than 6 years old. This medicine is not approved to treat obesity in a child younger than 12 years old.

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

Call your doctor at once if you have:

• signs of heart problems--chest pain, trouble breathing, feeling like you might pass out;

• signs of psychosis--hallucinations (seeing or hearing things that are not real), new behavior problems, aggression, hostility, paranoia;

• signs of circulation problems--numbness, pain, cold feeling, unexplained wounds, or skin color changes (pale, red, or blue appearance) in your fingers or toes;

• a seizure (convulsions);

• muscle twitches (tics); or

• changes in your vision.

Seek medical attention right away if you have symptoms of serotonin syndrome, such as: agitation, hallucinations, fever, sweating, shivering, fast heart rate, muscle stiffness, twitching, loss of coordination, nausea, vomiting, or diarrhea.

Desoxyn can affect growth in children. Tell your doctor if your child is not growing at a normal rate while using Desoxyn.

Common side effects may include:

• headache or dizziness;

• fast heartbeats;

• sleep problems (insomnia);

• diarrhea, constipation, upset stomach;

• tremors; or

• loss of appetite, weight loss.