I found this clearly stated info about cymbalta on the internet:
What happens if I overdose?
• Seek emergency medical attention if an overdose is suspected.
• Symptoms of a Cymbalta overdose may include nausea, vomiting, tremor, agitation, seizures, drowsiness, hyperactivity, and enlarged pupils.
What should I avoid while taking Cymbalta?
• Use caution when driving, operating machinery, or performing other hazardous activities. Cymbalta may cause dizziness or drowsiness. If you experience dizziness or drowsiness, avoid these activities.
What are the possible side effects of Cymbalta?
• If you experience any of the following serious side effects, stop taking Cymbalta and contact your doctor immediately or seek emergency medical treatment:
· an allergic reaction (difficulty breathing; closing of the throat; swelling of the lips, tongue, or face; or hives);
· an irregular heartbeat or pulse;
· low blood pressure (dizziness, weakness);
· high blood pressure (severe headache, blurred vision);
· chills or fever;
· unusual bleeding or bruising;
· a rash or hives.
• If you experience any of the following less serious side effects, continue taking Cymbalta and talk to your doctor:
· headache, tremor, nervousness, or anxiety;
· difficulty concentrating;
· nausea, diarrhea, dry mouth, or changes in appetite or weight;
· increased sweating;
· sleepiness or insomnia; or
· decreased sex drive, impotence, or difficulty having an orgasm.
• Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.
What other drugs will affect Cymbalta?
• Do not take Cymbalta if you have taken a monoamine oxidase inhibitor (MAOI) such as isocarboxazid (Marplan), phenelzine (Nardil), or tranylcypromine (Parnate) during the last 2 weeks. Wait at least 5 days after you stop taking Cymbalta before taking a MAOI. Serious, and sometimes fatal, reactions have occurred when these medicines have been used together. Also, do not take Cymbalta if you are taking thioridazine (Mellaril). Dangerous, even fatal irregular heartbeats may occur if these medicines are taken together. You must wait 5 weeks after stopping Cymbalta before taking thioridazine (Mellaril).
• Before taking Cymbalta, tell your doctor if you are taking any of the following medicines:
· an antiarrhythmic such as flecainide (Tambocor) or propafenone (Rythmol), and others;
· a tricyclic antidepressant such as amitriptyline (Elavil), imipramine (Tofranil), doxepin (Sinequan), nortriptyline (Pamelor), and others;
· venlafaxine (Effexor);
· a phenothiazine such as chlorpromazine (Thorazine), fluphe****ne (Prolixin), mesoridazine (Serentil), perphe****ne (Trilafon), prochlorperazine (Compazine), and others;
· a quinolone antibiotic such as trovafloxacin (Trovan), ciprofloxacin (Cipro), ofloxacin (Floxin), and others;
· quinidine; or
· a selective serotonin reuptake inhibitor (SSRI) such as fluoxetine (Prozac, Sarafem), paroxetine (Paxil, Pexeva), fluvoxamine (Luvox), and others.
• You may not be able to take Cymbalta, or you may require a dosage adjustment or special monitoring during treatment if you are taking any of the medicines listed above.
• Drugs other than those listed here may also interact with Cymbalta. Talk to your doctor and pharmacist before taking any prescription or over-the-counter medicines, including vitamins, minerals, and herbal products.