Dantrolene

 
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Without a Prescription

Dantrolene helps reduce muscle pain and stiffness, improves your ability to move around, and lets you do more of your daily activities.
Dantrolene is prescribed to treat a certain uncommon condition (neuroleptic malignant syndrome) involving muscle stiffness, fever, and fast heartbeat caused by psychiatric medications.
Dantrolene is prescribed to treat muscle tightness and cramping (spasms) caused by certain nerve disorders such as spinal cord injury, stroke, cerebral palsy, and multiple sclerosis.
Dantrolene is prescribed with other treatments to prevent or treat special cases of high fever (malignant hyperthermia) related to anesthesia and surgery.
Dantrolene works by relaxing the muscles.

Contraindications

Dantrolene is contraindicated if you have any of the following conditions:
- if you are allergic to Dantrolene;
- If you are pregnant, trying for a baby or breast-feedin;
- if you have any other allergies;
- if you have breathing problems (chronic obstructive pulmonary disease-COPD);
- if you have certain medical conditions;
- If you have difficulty standing up or walkin;
- if you have heart problems;
- if you have liver problems (hepatitis, cirrhosis);
- If you suffer from asthma or breathing problem;
- If you suffer from liver, heart or lung problem;
- If your muscles have suddenly gone rigi;

Interactions

Do not take Dantrolene with any of the following drugs:
- Alprazolam;
- Amitriptyline;
- Anti-seizure drugs (carbamazepine);
- Certain antihistamines (diphenhydramine);
- Chlorpromazine;
- Diazepam;
- Estrogen;
- Medicine for sleep or anxiety;
- Narcotic pain relievers (codeine);
- Other muscle relaxants;
- Psychiatric medicines;
- Risperidone;
- Trazodone;
- Zolpidem;

Side Effects

Dantrolene side effects that you should report to your health care professional or doctor as soon as possible:
- Aneed to urinate (pass water) more frequently;
- Being unable to pass urine easily;
- Black/tarry stools;
- Blood in the urine;
- Chest pain;
- Chills and fever;
- Chills;
- Confusion or nervousness;
- Constipation;
- Dark urine;
- Diarrhea;
- Diarrhoea;
- Difficulty breathing;
- Difficulty in controlling the bladder;
- Difficulty in swallowing;
- Difficulty sleeping;
- Difficulty speaking;
- Dizziness;
- Drooling;
- Drowsiness;
- Easy bruising/bleeding;
- Fast heartbeat;
- Feelings of depression;
- Fever;
- Fits;
- Generally feeling unwell;
- Headache;
- Itching/swelling (especially of the face/tongue/throat);
- Loss of appetite;
- Mental/mood changes;
- Nausea;
- Pale stools;
- Persistent sore throat;
- Problems with urination;
- Rash;
- Seizures;
- Severe dizziness;
- Severe/persistent constipation;
- Signs of infection;
- Skin rash;
- Slurred speech;
- Sunburn (sun sensitivity);
- Swelling of the ankles/feet;
- Tiredness;
- Trouble breathing;
- Trouble swallowing;
- Vision changes;
- Visual disturbances;
- Vomit that looks like coffee grounds;
- Weakness;
- Yellowing of the skin;

Overdose

Reported Dantrolene overdose symptoms are:
- Severe tiredness;
- Severe muscle weakness;
- Severe drowsiness;
Without Prescription (2017)