- Side Effects
- Drug Interactions
- Pregnancy & Breastfeeding
- What Else to Know
Generic Name: arnica, arnica montana
Brand Names: Arnicare, Arniflora
Drug Class: Homeopathic Remedies
What is arnica (Arnica montana) topical, and what is it used for?
Arnica is a homeopathic topical pain relief agent. Its mechanism of action is not well known. Arnica preparations have shown wound healing, antiseptic, anti-inflammatory, and pain-relieving properties.
Arnica's actions may be due to two chemicals called helenalin and dihyrdohelenalin. These chemicals may modify the action of immune cells, kill bacteria, reduce the activity of chemicals and blood cells that cause inflammation, and kill cancer cells.
What are the side effects of arnica?
Arnica should not be applied to open wounds or mucous membranes. Arnica also may give mild odor when applied. Undiluted oral forms are considered unsafe and have been reported to cause the following side effects:
Pure arnica is considered an unsafe herb by the FDA.
What is the dosage for arnica?
Topical Cream or Gel
- Adults and children 2 years of age and older: Apply a thin layer to the affected area(s) as soon as possible after injury. Repeat 3 to 4 times a day or as needed. Avoid contact with eyes and open wounds.
- Children under 2 years of age: Consult a doctor.
- Adults and children 2 years of age and older: at the onset of symptoms, dissolve 2 tablets in the mouth or in 1 tablespoon of water and repeat every hour for 2 more hrs. Then dissolve 2 tablets in the mouth every 6 hrs.
Which drugs interact with arnica?
There are no significant drug interactions, when using topical forms of arnica. Arnica may increase the effect of anticoagulants and other drugs that increase the risk of bleeding when taken orally.
- Attachment Theory: What It Is, Stages & the Different Attachment Styles
- Gentle Parenting: What It Is, Techniques & Discipline
- U.S. Nursing Homes Fail to Report Many Serious Falls, Bedsores: Study
- The Younger You Get Diabetes, the Higher Your Risk for Dementia Later
- FDA Grants Full Approval to Paxlovid to Treat COVID-19
- More Health News »
Pregnancy and breastfeeding
- There are no adequate studies done on arnica to determine safe and effective use in pregnant women. It is considered unsafe during pregnancy. Arnica has been used to cause abortions.
- It is not known whether arnica enters breast milk; therefore, it is best to be cautious before using it in nursing mothers.
What else should I know about arnica?
What preparations of arnica (Arnica montana)-topical are available?
- Quick dissolving tablets; Ointment: 4%; Cream: 7%; Gel 7%, 8%
How should I keep arnica (Arnica montana)-topical stored?
- Store Arnica Montana at room temperature between 20 C to 25 C (68 F to 77 F).
Arnica montana is a homeopathic topical pain relief product used to treat temporary pain from bruising, muscle aches and stiffness, and swelling. Side effects of arnica include cardiac arrest, fast heartbeat, shortness of breath, stomach pain, diarrhea, and vomiting. Do not use arnica during pregnancy due to the risk of abortion. Pure arnica is considered an unsafe herb by the FDA.
Multimedia: Slideshows, Images & Quizzes
16 Surprising Headache Triggers and Tips for Pain Relief
Do you have frequent headaches? Learn the most common headache triggers for tension headaches, sinus headaches, cluster headaches...
First Aid: Wound Care for Cuts and Scrapes
Wound care treatment at home involves performing cuts and scrapes first aid including cleaning the injury and applying antibiotic...
Lower Back Pain: Symptoms, Stretches, Exercise for Pain Relief
Do you suffer from low back pain? Learn more about common triggers of lower back pain like posture, exercise, and spondylosis....
RA Home Remedies
People try all sorts of things to relieve rheumatoid arthritis pain. WebMD debunks some of the common ones and lets you know what...
Fibromyalgia Quiz: What Is Fibromyalgia?
Fibromyalgia could be the reason for your constant, deep bodily pain. Learn more about this painful condition with the...
What Is Fibromyalgia (Fibro)? Symptoms, Causes, Helpful Treatments
What is fibromyalgia? Learn the possible causes of fibro, along with standard and alternative treatments for this chronic...
First Aid: Bandaging Injuries and Wounds From Head to Toe
Bandaging a wound like a burn, cut, or scrape requires different techniques depending on which part of the body was hurt. Ace...
Tips for Healthy Joints: Exercise, Nutrition, & More
Dealing with joint pain and arthritis? Learn why weight matters--and why NOT to stretch before exercise. See these solutions for...
Fibromyalgia Pain Relief: Stretching and Strength Exercises
Living with fibromyalgia is painful. By making simple exercise modifications, you can boost your energy, decrease pain and...
First Aid Quiz: Care for Wounds, Scrapes, Cuts, and Burns
Wound care for cuts and scrapes includes treatment to clean and bandage the injury. Should you use alcohol, hydrogen peroxide,...
Arthritis: Causes and Treatment for Joint Stiffness and Pain
Arthritis and injuries can leave your joints swollen, tender, and damaged. Discover treatments for morning stiffness, sore...
Fibromyalgia: 9 Ways to Avoid Fibromyalgia Pain and Fatigue
See how to sleep better, reduce stress, and soothe fibromyalgia muscle pain. WebMD answers questions about alternative therapies,...
Related Disease Conditions
Peptic Ulcer (Stomach Ulcer)
Peptic or stomach ulcers are ulcers in the lining of the stomach, duodenum, or esophagus. Learn about symptoms, causes, diet, and treatment.
Cuts, Scrapes, and Puncture Wounds
Learn about first aid for cuts, scrapes (abrasions), and puncture wounds, when to see a doctor, if tetanus shots are necessary, and how to spot signs of infection.
Acute injuries, medical conditions, and chronic use conditions are causes of knee pain. Symptoms and signs that accompany knee pain include redness, swelling, difficulty walking, and locking of the knee. To diagnose knee pain, a physician will perform a physical exam and also may order X-rays, arthrocentesis, blood tests, or a CT scan or MRI. Treatment of knee pain depends upon the cause of the pain.
Second Source article from WebMD
Lower Back Pain (Lumbar Spine Pain)
There are many causes of back pain. Pain in the low back can relate to the bony lumbar spine, discs between the vertebrae, ligaments around the spine and discs, spinal cord and nerves, muscles of the low back, internal organs of the pelvis, and abdomen, and the skin covering the lumbar area.
How Do You Know If You're Having a Fibromyalgia Attack?
What is a fibromyalgia attack, and what can trigger one? Learn the signs of fibromyalgia and some of the treatment options for this condition.
Fibromyalgia is a chronic pain condition characterized by symptoms such as fatigue, sleep disturbances, and tender points. Stress reduction, exercise, and medication are the standard treatments for fibromyalgia.
Bumps and Bruises (Contusions and Ecchymoses)
A bruise, or contusion, is caused when blood vessels are damaged or broken as the result of a blow to the skin. The raised area of a bump or bruise results from blood leaking from these injured blood vessels into the tissues as well as from the body's response to the injury. Treatments include applying an ice pack and pressure to the area by hand.
Pain management and treatment can be simple or complex, according to its cause. There are two basic types of pain, nociceptive pain and neuropathic pain. Some causes of neuropathic pain include: complex regional pain syndrome, interstitial cystitis, and irritable bowel syndrome. There are a variety of methods to treat chronic pain, which are dependant on the type of pain experienced.
Ankle Pain (Tendonitis)
Ankle pain is commonly due to a sprain or tendinitis. The severity of ankle sprains ranges from mild (which can resolve within 24 hours) to severe (which can require surgical repair). Tendinitis of the ankle can be caused by trauma or inflammation.
What Is the Fastest Way to Heal an Open Wound?
An open wound is an injury that includes an external or internal break in your body tissue, usually the skin. Nearly, everyone experiences an open wound at some point in their life. Mostly, they are minor and can be treated with home remedies.
16 Early Rheumatoid Arthritis (RA) Signs & Symptoms
Early rheumatoid arthritis (RA) symptoms and signs vary differently from person to person. The most common body parts that are initially affected by RA include the small joints of the hands, wrists, and feet, and the knees and hip joints. Joint inflammation causes stiffness. Warmth, redness, and pain may vary in degree.
12 Early Signs of Arthritis in Hands
Hand arthritis occurs when there is inflammation in one or more joints of the hand and wrist. A few of the common types of arthritis that affect the hands are osteoarthritis, rheumatoid arthritis, post-traumatic arthritis (arthritis as a result of an injury), psoriatic arthritis and gout.
Elbow pain is most often the result of tendinitis, which can affect the inner or outer elbow. Treatment includes ice, rest, and medication for inflammation. Inflammation, redness, warmth, swelling, tenderness, and decreased range of motion are other symptoms associated with elbow pain. Treatment for elbow pain depends upon the nature of the patient's underlying disease or condition.
The Most Severe Symptoms of Fibromyalgia
The pain from fibromyalgia can be intense and constant. It can be severe enough to keep you home from work and other activities.
11 Home Remedies for Rheumatoid Arthritis
Rheumatoid arthritis (RA) is a long-term disorder that progressively affects many parts of the body. Home remedies, diet, and lifestyle changes can help reduce pain and discomfort associated with RA alongside medical treatment. Home remedies alone cannot effectively treat RA or prevent the progression of the disease.
Rheumatoid Arthritis vs. Fibromyalgia
Though rheumatoid arthritis (RA) and fibromyalgia have similar symptoms, RA is an autoimmune disease and fibromyalgia is a chronic pain syndrome. RA symptoms include joint redness, swelling, and pain that lasts more than 6 weeks. Fibromyalgia symptoms include widespread pain, tingling feet or hands, depression, and bowel irritability. Home remedies for both include stress reduction, exercise, and getting enough sleep.
Basic Steps of Wound Care
After you get the wound and follow all the steps of wound care, you need to observe your wound for a few days till it heals completely. Call the doctor if you feel that your wound has become infected.
When Should You Not Close A Wound?
Wounds should not be closed if there is a high risk of infection and in other situations. Wounds may be classified as acute or chronic or open or closed. They may be caused by penetrating objects, nonpenetrating trauma and other miscellaneous causes.
Rheumatoid Arthritis vs. Arthritis
Arthritis is a general term used to describe joint disease. Rheumatoid arthritis (RA) is a type of arthritis in which the body’s immune system mistakenly attacks the joints, causing chronic inflammation.
Can Dermabond Be Used on Open Wounds?
The tissue adhesive, Dermabond, can be used as an alternative for 5-0 or smaller sutures to close wounds. It can be used to close wounds on the face, extremities and torso. The doctor may prefer Dermabond over sutures depending on their level of comfort and experience.
What Does a Fibromyalgia Attack Feel Like?
Symptoms may begin after acute psychological stress, physical trauma, surgery, or other systemic infections. Sometimes, there may be no identifiable trigger.
Pain Relief Options for Childbirth
Women experience and tolerate pain differently. For some pregnant women, focused breathing is all they need to get through labor and childbirth; but for others, numbing of the pain is desired. There are a number of different medications a woman can take during labor and childbirth. It is important for you to learn what pain relief options are available. Please discuss the options with your health care professional well before your "birth day" so that when you are in labor you understand the choices.
Does Vitamin D Help With Pain Relief?
Several studies have confirmed that vitamin D may help with pain relief in selected cases. The pain-relieving action of vitamin D may be due to the following reasons.
What Are the Best Exercises for Sciatica Pain Relief?
What is sciatica? Learn what exercises and home remedies can help ease your sciatica symptoms and speed up your recovery.
Myofascial Pain Syndrome Vs Fibromyalgia
Most people with chronic pain and fatigue in their muscles tend to have either fibromyalgia or myofascial pain syndrome (MPS). Fibromyalgia is a condition characterized by widespread musculoskeletal (involving the muscles and bones) pain accompanied by fatigue, sleep, memory, and mood issues.
What Are the Categories of Wound Closure?
An open wound can be closed in any of the three ways. These ways are referred to as the three categories of wound closure or three ways of wound healing.
Best TMJ Exercises for Pain Relief
The temporomandibular joint (TMJ) connects the jawbone and skull. It is situated just in front of the ears. TMJ moves while talking, chewing, and swallowing; hence, TMJ is essential for these functions to take place normally.
What are the Best Stretches for Back Pain Relief at Home?
Learn what stretches can help you deal with back pain and manage this condition at home.
Treatment & Diagnosis
- Fibromyalgia FAQs
- Drugs: The Most Common Medication Errors
- Medication Disposal
- Dangers of Mixing Medications
- Drugs: Buying Prescription Drugs Online Safely
- Home Remedies for Shingles
- Can Paxil Treat Fibromyalgia Pain?
- What's The Difference Between Myofascial Pain and Fibromyalgia?
- Sciatica Pain Vs. Fibromyalgia Pain: What Are The Differences?
- Home Remedies, Treatment, and Prevention of Sprains and Strains
- Surviving a Gunshot Wound to the Head
- Pain Relievers and High Blood Pressure
- Generic Drugs, Are They as Good as Brand-Names?
Medications & Supplements
Prevention & Wellness
Subscribe to MedicineNet's General Health Newsletter
Health Solutions From Our Sponsors
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
FDA Poisonous Plant Database.