Raynaud’s treatment starts with protecting your hands and feet from cold, then escalates to medications if lifestyle changes aren’t enough. Most people with the primary form can manage their symptoms without drugs, but those with more severe or secondary Raynaud’s often need a combination of strategies to prevent attacks and protect their digits from damage.
Raynaud’s phenomenon causes the small blood vessels in your fingers and toes to overreact to cold or stress, temporarily cutting off blood flow. Your digits turn white, then blue, then red as circulation returns. Each person has their own threshold temperature that triggers an attack, which is why some people’s fingers go numb in mildly cool weather while others only react to extreme cold.
What Happens During an Attack
When you’re exposed to cold, your body normally narrows blood vessels in your extremities to keep your core warm. In Raynaud’s, this reflex is exaggerated. Your sympathetic nervous system releases norepinephrine, which activates receptors on the smooth muscle around your blood vessels and clamps them down far more than necessary. At the same time, the cells lining your blood vessels produce powerful constricting substances that make the spasm worse.
Cold isn’t the only trigger. Emotional stress activates the same nervous system response, which is why some people experience attacks during arguments, work deadlines, or anxiety. The combination of cold and stress is particularly effective at provoking episodes.
Primary vs. Secondary Raynaud’s
Primary Raynaud’s has no underlying cause. It typically appears before age 30, often during the teenage years, and is more common in women. If a family member has it, your risk is higher. Primary Raynaud’s is uncomfortable but rarely causes lasting tissue damage.
Secondary Raynaud’s develops alongside another condition, most often an autoimmune disease like scleroderma, lupus, rheumatoid arthritis, or Sjögren’s disease. Exposure to certain chemicals or vibrating tools can also cause it. The secondary form is less common but more serious because the blood vessels themselves are damaged, not just overreactive. This distinction matters for treatment: secondary Raynaud’s typically requires more aggressive management. Doctors can often tell the two apart by examining the tiny blood vessels at the base of your fingernails under magnification.
Stopping an Attack in Progress
When an attack starts, your immediate goal is rewarming. Get indoors if you’re outside. Soak your fingers or toes in warm (not hot) water. Tuck your hands into your armpits, swing your arms in circles to push blood toward your fingertips, or run warm water over your wrists. Avoid direct heat sources like radiators or heating pads, which can burn skin that has reduced sensation during an episode.
If stress triggered the attack, slow breathing or stepping away from the situation can help your nervous system stand down. Most attacks resolve within 15 to 20 minutes once you’re warm and calm.
Lifestyle Strategies That Reduce Attacks
Cold avoidance and effective rewarming form the foundation of Raynaud’s management, and for many people with the primary form, these steps are all that’s needed. The goal is to keep your whole body warm, not just your hands. When your core temperature drops, your body redirects blood away from your extremities.
- Layer your core: A warm torso keeps blood flowing to your fingers. Thermal base layers, insulated vests, and scarves around your neck make a bigger difference than gloves alone.
- Use heated gloves or hand warmers: Battery-powered heated gloves or disposable chemical hand warmers inside mittens provide sustained warmth. Mittens outperform gloves because your fingers share heat.
- Warm items before touching them: Grabbing a cold steering wheel, frozen food from the freezer, or a chilled drink can trigger an attack. Use insulated sleeves or wear gloves for these tasks.
- Reduce caffeine and nicotine: Both constrict blood vessels. Smoking is particularly damaging because it narrows vessels long-term and worsens both primary and secondary Raynaud’s.
- Exercise regularly: Aerobic exercise improves circulation over time. Even a brisk walk raises your core temperature and promotes blood flow to your extremities.
First-Line Medication: Calcium Channel Blockers
When lifestyle measures aren’t controlling your symptoms, calcium channel blockers are the standard first medication. These drugs relax the smooth muscle in your blood vessel walls, making it harder for them to spasm shut. Nifedipine (usually the slow-release form) is the most commonly prescribed, starting at a low dose and increasing as needed. Amlodipine and diltiazem are alternatives.
The therapeutic benefit is real but modest. Calcium channel blockers reduce the frequency and severity of attacks, though they don’t eliminate them entirely. Side effects can include headaches, flushing, dizziness, and ankle swelling, which is why doctors start at a lower dose and work up. Some people take these medications only during the colder months rather than year-round.
Second-Line Options for Stubborn Symptoms
If calcium channel blockers aren’t enough, your doctor may add or switch to a class of drugs originally developed for erectile dysfunction. These medications (including sildenafil and tadalafil) work by relaxing blood vessels through a different pathway. A Cochrane review of nine studies found that these drugs reduced attack frequency by about three episodes per week compared to placebo, and one small study showed a 20% reduction in attack severity. The evidence is considered low-certainty, but these medications are increasingly used as second-line treatment, especially as generic versions have become affordable.
Topical nitroglycerin is another option when pills aren’t working well enough. A 2% nitroglycerin ointment applied directly to the affected fingers acts as a local vasodilator, opening blood vessels right where you need it. Headaches are a common side effect since some of the drug absorbs into your bloodstream.
Fish Oil for Primary Raynaud’s
One supplement with genuine clinical evidence behind it is fish oil. In a double-blind controlled study, people with primary Raynaud’s who took fish oil supplements delayed the onset of cold-triggered attacks from about 31 minutes to nearly 47 minutes. Nearly half of primary Raynaud’s patients taking fish oil could no longer be provoked into an attack at all during follow-up visits, compared to only 11% of those taking a placebo. Their blood pressure readings in the small vessels of their fingers were also measurably higher when exposed to cold water.
The benefit applied only to primary Raynaud’s. People with secondary Raynaud’s didn’t see the same improvement. Fish oil is not a replacement for medication in severe cases, but it’s a reasonable addition for people with the primary form who want to reduce their attacks.
Botulinum Toxin Injections
For people who don’t respond to conventional medications, botulinum toxin injections into the hands offer a newer treatment approach. The toxin is injected at the base of the fingers (usually sparing the thumb to avoid weakness), where it blocks the nerve signals that drive excessive vessel constriction. A three-year follow-up study found that most patients who responded well maintained their improvement with annual injections, typically timed before winter. Two patients in the study needed no further injections at all after their initial treatment.
This option is generally reserved for severe cases because it requires a specialist, involves multiple injection sites, and isn’t yet part of standard first-line guidelines.
Surgery for Severe Cases
When medications fail and tissue damage threatens your fingers, surgery becomes an option. The procedure, called distal sympathectomy, involves stripping away the tiny nerve fibers wrapped around the arteries in your fingers. This removes the nerve signals driving the spasm.
A systematic review found that 95% of patients experienced reduced pain after the procedure, and pain relief persisted for at least a year in most studies, with 82% to 93% still reporting benefit at two to 12 years. For patients with non-healing finger ulcers, complete healing occurred in 73% of cases, typically within four weeks to six months. However, 28% of patients in the review still required some degree of amputation, reflecting how severe the disease was in people who reached the point of needing surgery. This procedure is reserved for people with recurrent pain or ulcers that haven’t responded to any other treatment and who have no other surgical options for restoring blood flow.
Building a Treatment Plan That Works
Raynaud’s treatment follows a clear ladder. You start with cold avoidance, layering, and behavioral changes. If attacks still disrupt your life, a calcium channel blocker is the first medication to try. If that’s not enough, your doctor adds or switches to a vasodilator from a different class. Topical nitroglycerin, botulinum toxin, and ultimately surgery represent the later rungs for increasingly resistant disease. Fish oil supplementation is a reasonable low-risk addition for primary Raynaud’s at any stage.
Where you land on this ladder depends on whether you have primary or secondary Raynaud’s, how frequent and severe your attacks are, and whether you’re developing ulcers or other tissue damage. Most people with primary Raynaud’s do well with lifestyle measures alone or with a single medication during cold months. Those with secondary Raynaud’s often need sustained, multi-layered treatment to protect their digits long-term.