Summer tends to be the least kind season, to those living with multiple sclerosis (MS). This is because heat, whether it be from hot weather, excessive exercise, or even a warm shower, can mean exaggerated symptoms.


This is because the heat triggers something in MS patients referred to as, “pseudoexacerbation.” Pseudoexacerbation is an episode in which the symptoms of your MS worsen. These episodes can become so severe that potentially they can even making new symptoms appear. Meaning, you may lead a very active lifestyle and have not had your MS symptoms affect your physical capabilities much, if at all. Then, when exposed to heat you may experience an episode where your hands go numb, your vision blurry, and you lose mental clarity. This can be very alarming and hard to navigate in all settings.


The good news is, a pseudoexacerbation is not the same as a relapse. Once your body is removed from the heat, your symptoms will start to subside with no permanent damage such as inflammation, loss of myelin, or new lesions.


Listed below are some of the most common symptoms those living with MS will feel during a heat triggered pseudoexacerbation:


-Feelings of numbness in your extremities. Everyone is different so you may feel tingling, or even strange sensations of burning or tightening.


-Sudden episodes of fatigue, these may be mild to severe.


-Blurred vision is a common symptom and may only occur when exposed to heat. You may start to see doubles or dark spots.


-Tremors, whether more severe than what you are used to or completely out of nowhere, this is a common symptom associated with heat induced symptoms.


-Muscle weakness, potentially even the inability to walk or rise on your own.


-Thinking problems, you may feel foggy or unable to recall the details of what you are talking about. You may feel confused or frustrated during this time.


Wellspire Medical Group in Humble TX

Everyone with MS is different and will experience the heat uniquely. Some may be able to enjoy outdoor summer activities without any symptoms, while others may find they cannot go outside at all during warm weather without experiencing complications. Wellspire Medical Group proudly serves Atascocita, Humble and surrounding areas. We have been part of Northeast Houston as Mehta Medical Group for 30 years. Our name change reflects our broader scope of services. In other words, we are working hard to “Inspire Better Health!”



Wellspire Medical Group 

8901 Farm to Market 1960 Bypass Road W #101  

Humble, TX 77338  

(281) 446-7173