Fintepla may cause serious side effects, including:
See Important information
serotonin syndrome. Serotonin syndrome is a life-threatening problem that can happen in people taking Fintepla, especially if it is taken with certain other medicines to include:
anti-depressant medicines called SSRIs, SNRIs, TCAs, and MAOIs
tryptophan
St. John’s Wort
dextromethorphan
lithium
antipsychotics
tramadol
Call your healthcare provider right away if you have any of the following symptoms of serotonin syndrome.
mental status changes such as seeing things that are not there (hallucinations), agitation, or coma
changes in blood pressure
tight muscles
fast heartbeat
nausea, vomiting, diarrhea
high body temperature
trouble walking
high blood pressure (hypertension). Hypertension is both a serious and common side effect. Fintepla can cause your blood pressure to increase even if you have never had high blood pressure before. Your healthcare provider will check your blood pressure while you are taking Fintepla.
increased pressure in your eye (glaucoma). Symptoms of glaucoma may include:
red eyes
seeing halos or bright colors around lights
nausea or vomiting
decreased vision
eye pain or discomfort
blurred vision
If you have any of these symptoms, call your healthcare provider right away.
The most common side effects of Fintepla include:
diarrhea
low energy
respiratory infection
tiredness
fever
constipation
abnormal echocardiogram
problems with movement, balance, and walking
increased drooling
infection
vomiting
falls
seizures that do not stop
weakness
These are not all the possible side effects. For more information, ask your healthcare provider or pharmacist.
Tell your healthcare provider if you have any side effect that bothers you or that does not go away.
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
 Fintepla side effects (more detail)
How should I store Fintepla?
Store Fintepla at room temperature between 68°F to 77°F (20°C and 25°C).
Do not refrigerate or freeze.
Store the bottle and syringe together in a clean area.
Throw away (discard) any unused Fintepla 3 months after first opening the bottle or if the Discard After date on the package or bottle has passed. Whichever one comes first.
Keep all medicines out of the reach of children and pets.
General information about the safe and effective use of Fintepla.
Medicines are sometimes prescribed for purposes other than those listed in a Medication Guide. Do not use this medicine for a condition for which it was not prescribed. Do not give it to other people, even if they have the same symptoms that you have. It may harm them.
You can ask your pharmacist or healthcare provider for information that is written for health professionals.
What are the ingredients in Fintepla?
Active ingredient: fenfluramine hydrochloride
Inactive ingredients: cherry flavor, citric acid, ethylparaben, hydroxyethylcellulose, methylparaben, potassium citrate, sucralose, and water.
Fintepla contains no ingredient made from gluten-containing grain (wheat, barley, or rye).
