Blood blisters develop when repeated friction or pressure is endured on certain skin areas. Some other causes are also responsible depending on where the blister is occurring.
A blood blister can develop on the foot, on the bottom of the foot (the sole) or under the skin on the foot. On the foot, it can appear on the toes and on the ball of the foot. On the sole, it can appear below the toes and on the heel. If caused by health conditions such as low platelets level or scurvy, a blood blister under the skin of the foot will appear.
Blood blisters cannot be cured but can be managed. This article is about blood blisters on the foot, the bottom of the foot, and under the skin on the foot: causes, treatment and home remedies with pictures.
What causes blood blister on foot or on bottom of foot
On pictures, blood blisters on the foot appear as red bubble-like bumps. Some may appear darker than others. This is usually a sign of healing. It can also be a sign of more blood in the blisters. Blisters with more blood take longer to heal.
Below are probable causes of blisters on and under the skin on the foot:
Friction and trauma
Friction from ill-fitting foot wear is responsible for most cases of blisters on the bottom of the foot. It is encouraged by activities requiring a lot of walking or running. Sudden pressure such as that exerted by heavy blunt object can also cause a blood blister under the toenails.
Cold or heat
Excess of either may lead to blisters on the foot. Frostbite, for example, is associated with blood blisters on the toes and feet. Heat from the sun or from a hot object can also cause such blisters.
Irritants and allergens
Irritants are more probable causes in this case. They include things like metals, acids and alkalines. Allergens include some foods and medications.
Some diseases and health conditions
Impetigo and shingles are good examples of diseases that cause blood blisters. In this case, the blistering is always accompanied by other symptoms such as fever. Most diseases will also cause blood blisters inside the cheek, in the mouth or on the face.
We are so used to other types of cancer that we forget about cancer of the foot. A persistent blister on the foot, accompanied by other symptoms such as white patches or a hard lump on the foot or ankle can be a sign of foot cancer.
How to treat blood blister on foot or on bottom of the foot
Keep from friction
If more friction is sustained on the already developed blister, it will become more irritated and painful. The first thing you want to do in order to treat a blood blister on the foot is protect the blister. You can start by replacing with more comfortable footwear for example. Cotton socks are better choices. They absorb most of the produced sweat and keep from friction.
Try moleskin pads
A moleskin pad can help cushion a blood blister on the bottom of the foot. This is especially helpful if you will be walking or standing for long.
Bandage the blisters
Bandaging the blisters will keep them from sustaining injuries that might break them open. The protection will also keep from bacterial and viral infections. It will be important that the bandage not fit too tightly, for it will add pressure to the blister.
In most cases, you will be advised against popping blood blisters. For one thing, it opens you to infection and also delays the healing process. However, there are times that popping and draining the blister is the best option. It also depends on where the blister is. Popping a blood blister under tongue is, for example, a very bad idea.
Keep up with treatment
Your doctor may prescribe some medications such as topical creams, pain killers or antibiotics. Until the blister has cleared off completely, take the medications as prescribed.
Learn about home remedies
Home remedies are great treatment options for blisters and other skin conditions. They help in long-term treatment as well as keeping the blisters from get infected. Some contain essential fatty acids, which help in production of new skin cells. Even better, most of them are relatively mild. They can be used on face, genitals or even for a red blood blister on the breast.
How should you pop a blood blister on foot?
Blood blisters on the foot can, as said earlier, appear on the skin or under the toenail. In either case, different methods on how to pop them should be followed.
Popping a blood blister on the skin
- You will need rubbing alcohol, hydrogen peroxide and a needle
- Sterilize the needle with alcohol
- Wash clean the blistered area with medicated soap and water
- On the most inflamed edge, make a small puncture
- Squeeze gently to drain all the blister fluid
- Once done, wash the blister and apply a bandage soaked in hydrogen peroxide
- The bandage should be replaced with a fresh one daily
Try not to tear the top cover of the blister. A tiny hole at the edge will be enough to drain the whole blister. Opening it up encourages infections and delays healing.
Popping a blister under the toenail
- You will need rubbing alcohol, needle and hydrogen peroxide
- With a sterile needle, drill a hole at the center of the blood blister
- Squeeze to get all the trapped blood out
- Apply hydrogen peroxide to keep the trapped blood from clotting
- Dress the toenail with a bandage
If left alone, a blood blister under toenail will corrupt the nail until it falls off. This can take up to 2 months. Note that hydrogen peroxide and alcohol can keep the blister from healing quickly. Avoid using too much of these products. In fact, home remedies such as tea tree oil and witch hazel can be used as antiseptics. Petroleum jelly can also be applied as an additional protective cover.
Can blood blisters get infected? Symptoms such as increasingly painful blister, swelling, a burning sensation, red streaks on surrounding skin, pus, fever, swollen nymph nodes are indications of infection. Get medical assistance immediately should such symptoms show up.
When you should not pop a blood blister on foot
- If the blood blister is a symptom of a contagious infection. Opening the blister in such case will release infectious viruses into the surroundings
- The blister has just formed and is very painful. Popping it will only add on the pain
- You do not have the right equipment or know-how. This is especially true when it comes to sterilization. The operation can be done within minutes by a doctor
- You have been diagnosed with a chronic medical condition that may suppress the immune system. This includes diseases like cancer, diabetes, hart infections, lupus and HIV. Weakened immune system may not be able to appropriately fight possible infections.
- The blister is not showing signs of breaking open or getting bigger. In such cases, the best thing to do is let it heal naturally.
Sometimes, the blister may break open on its own or due to injuries. If that happens, make sure to keep it as clean as possible and always bandaged.
How to remove blood blister on foot with home remedies
Placing a pack of ice cubes wrapped in a plastic bag on the blistered area is the treatment you should consider on daily basis. It helps relieve pain and also keep more blood from collecting in the blisters.
Aloe Vera gel, gently massaged on the blood blisters, will soothe the skin and also keep from infections. Aloe gel also reduces inflammation.
A paste made from water and Epsom salt will help the blister dry out and pop on its own. The paste should be applied directly, about 3 times in a day.
Another very effective home remedy for blood blisters on feet involves mixing rose water with honey and sandalwood powder.
Tea tree oil is a natural antibacterial and antifungal. If diluted with water, it can be used against blood blisters on and under the skin on foot. Antiseptic remedies are even more necessary for cases such as blood blister on finger, hands and feet. These areas are very prone to bacterial, fungal and viral infections.
You can also try turmeric powder. Turmeric is an inflammatory as well as a natural antiseptic. It can be made into a paste with water or be added to a glass of milk and taken orally. Turmeric paste can also be made with rose water. When to be taken orally, the best time to administer is before sleep.
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