Red Itchy Bumps on Legs Causes and Treatments – Allergies, Infections, Vasculitis, Skin Conditions and Bug Bites

It is very frustrating having to see those red itchy bumps on legs. However don’t be disturbed much since  they are easy to manage if you know the cause and you understand what they are and how they can be treated.

It is possible to experience these bumps from your feet to around somewhere in the thigh region. These  red itchy bumps on legs could be just small and may not even burst open. But in some cases, it is likely for the bump to burst and even crust over. It is important to note that itchiness can be experienced anywhere there are bumps but it may come and go.

Red itchy bumps on legs

Red itchy bumps on legs

Generally speaking, red itchy bumps on legs should not be a big deal as most doctors have seen, diagnosed and also treated this condition even though there are many causes of red itchy bumps on legs. Do not be alarmed if you notice them.

One thing about these sorts of itchy bumps is their ability to cause you to scratch them. It is important not to fall for this as it is not in any way advisable.  Also, note that opening up the skin on red itchy bumps on legs can cause some infections as a result of over scratching them. In cases where it has already been scratched open, one way to prevent infection from taking place could be just applying Neosporin on it.

What are the Likely Causes of Red Itchy Bumps on Legs?

So many things can cause red itchy bumps on legs on any one. Therefore, it is important to understand the problem source of which an appropriate solution can be applied. Besides, it is also important to note that these bumps can be cause by a combination of issues instead of just one cause.

allergic reactions

One of the most common causes of red itchy bumps on legs can be traced to some allergic reactions. The problem with allergic reaction is that most people may not even be aware of reacting to something and in the process develop some allergy over some period of time.

For example, red itchy bumps on legs could be as a result of a latex allergy even though it is possible that it could not have started with just the first exposure to the latex. In fact, this could have been happening over some period of time. Other examples could be an allergy to body or laundry soaps, in some cases; it could also be environmental like polluting substances or even a new piece of clothing.

It is advisable to really look at what may have changed in your routine that could have led to red itchy bumps on legs because one thing is sure, allergies have been known to be one of the major causes of red itchy bumps on legs.

Viral infections

Another cause of this problem could be as a result of viral infections. An example is chicken pox and it is been known to cause these kind of bump.  However, it is most likely to show up at the abdomen.

In older people, shingles can be a likely cause of red itchy bumps on legs. However, due to its how it manifests itself, it could show up in the torso.


Going on with possible causes of red itchy bumps on legs, we have vasculitis. Although this may be uncommon in the sense of it. It is important to state here that this condition manifests when the small vessels of the skin of the legs gets burst and then produce these red itchy bumps on legs.

For example, an uncontrolled diabetes could lead to these bumps appear on the leg as a result of some vascular problem. When this is the situation, it is normally advisable to see a doctor which could look to find the cause of the vasculitis which in most cases will be the diabetics.

Skin conditions

Note that skin condition could also be a likely cause of red itchy bumps on legs. An example is dry skin which is most likely to cause some itchy and in some cases look like an itch on the leg.

In addition, psoriasis and eczema can give rise to itchy bumps on the legs but it mostly present itself on the other parts of the body.

But do not count skin conditions off as a likely cause of red itchy bumps on legs even  though they may not be common. There is still a possibility that bumps could be caused by these skin problems.

Bug bites

Do not over rule the effect of bug bites as one of the causes of red itchy bumps on legs. Sometimes, it may look impossible but bed bugs are actually able to cause this. It is best to ensure that your living condition is well taken care of to avoid these types of insects.

What are the Treatments?

The treatment of red itchy bumps on legs will depend on what is being diagnosed to be the cause. Starting from allergies, it is important to first attempt to remove all forms of allergens. You may want to look again at the type of soaps you use and ensure that they are right for your skin. If this is the case, Benadryl is an anti histamine drug which could be used in the treatment of this disorder. In addition, tropical creams can be used to reduce the itchiness.

When the cause of red itchy bumps on legs is vasculitis, the best approach to treating it could be first trying to know what caused it in the first place. It could be a diabetic related issue and it must be checked before any medical intervention.

In cases where virus is the cause, then it is important to look at ones with treatment. For example, chicken pox will run its course but antivirus medication like acyclovir will be good for shingles. However, it is important to note that all treatment must be determined by the doctor.

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