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Whirlpool spa hot tubs: Which medical conditions are unsuitable?

2025-09-24 15:30

A whirlpool spa hot tub, a popular hydrotherapy device, is increasingly popular for its powerful relaxation and soothing properties. By combining massaging water flow with hot water, a whirlpool spa hot tub can effectively relieve muscle tension, ease joint pain, improve blood circulation, and reduce stress.


While it offers health benefits and promotes relaxation for many, certain medical conditions and health issues may make whirlpool spa hot tub use unsafe.


This article will delve into the medical conditions that may be unsuitable for a whirlpool spa hot tub, help users understand which health issues may affect their safety while using a hot tub, and provide professional advice to ensure they enjoy a spa without negative health consequences.

whirlpool spa hot tub

How does a whirlpool spa hot tub work?

The core function of a whirlpool spa hot tub is to improve circulation, ease muscle tension, and promote relaxation through the massage effect created by the jets and strong water flow, combined with the temperature of the hot water. The massage effect of the water on the body can activate reflex points, relax muscles, and help release internal stress. Hot water can promote blood vessel dilation, improve circulation efficiency, and help eliminate waste and toxins from the body. Although the whirlpool spa hot tub has significant benefits, these effects may bring potential risks to people with certain physical conditions. When using a whirlpool spa hot tub, factors such as water temperature, massage intensity, and water flow rate may have adverse effects on the body. People with fragile physical functions must be particularly cautious.

spa hot tub

Which physical conditions are not suitable for using a whirlpool spa hot tub?

1. Patients with low blood pressure

(1) Relationship between low blood pressure and whirlpool spa hot tubs

People with low blood pressure, especially those who are prone to dizziness and weakness when standing or changing positions, should be particularly careful when using whirlpool spa hot tubs. The hot water in a whirlpool spa hot tub can promote blood circulation, dilate blood vessels, and lower blood pressure. For people with low blood pressure, soaking in hot water may further exacerbate the drop in blood pressure, leading to symptoms such as dizziness, fatigue, and fainting.


(2) Recommendations

People with low blood pressure should avoid using the whirlpool spa hot tub for a long time, especially when the water temperature is too high or the water flow is strong. It is recommended to consult a doctor before using the whirlpool spa hot tub to ensure that your physical condition is suitable for using such equipment. If you really want to use it, you can control the water temperature appropriately and gradually adapt to it in a short time.


2. People with heart disease

(1) Risks for people with heart disease

For people with heart disease, using the whirlpool spa hot tub may bring greater risks. The effect of hot water can cause blood vessels to dilate, blood flow to accelerate, and increase the burden on the heart. For people with heart disease, especially those with coronary artery disease, arrhythmia, heart failure and other problems, excessive heart load may aggravate the condition and cause angina, heart attack or other serious heart disease complications.


(2) Recommendations

People with heart disease should avoid using the whirlpool spa hot tub, especially those with cardiovascular disease. For those with milder conditions, if they really want to use it, they should communicate with their doctor first and strictly control the water temperature and use time during use to avoid increasing the burden on the heart.


3. Patients with dizziness and nausea

(1) Symptoms of dizziness and nausea

Some people may easily feel dizzy, nauseous or uncomfortable, especially when soaking in a hot tub for a long time. Although the warm water flow and massage effect can relieve body tension, it may also cause the body temperature to rise too quickly and the blood circulation to change too much, which may lead to insufficient blood supply to the brain and dizziness or nausea.


(2) Recommendations

If you have frequent symptoms of dizziness or nausea, it is recommended to consult a doctor before using the whirlpool spa hot tub. For some temporary discomfort, you can control the water temperature and use time to avoid adverse reactions. However, if the dizziness or nausea symptoms are severe or persistent, you should avoid using the whirlpool spa hot tub.

whirlpool spa

4. Pregnant women

(1) Risks of using a whirlpool spa hot tub during pregnancy

Pregnant women have special physical conditions during pregnancy, especially in the first and last three months of pregnancy, when the body is in a state of large physiological changes and vulnerability. High-temperature water flow may cause the body temperature to rise, which has adverse effects on pregnant women and fetuses. Excessively high water temperatures may cause the body's internal temperature to become too high, leading to risks such as fetal developmental abnormalities, miscarriage, or premature birth. In addition, pregnant women may fall or become dizzy due to changes in their body's center of gravity when using a whirlpool spa hot tub.


(2) Recommendations

During pregnancy, especially in the early and late stages of pregnancy, it is recommended to avoid using a whirlpool spa hot tub. If you need to relieve physical discomfort or relax, you can choose a low-temperature bath or control the water temperature during use to avoid prolonged soaking.


5. Patients with skin diseases and infectious diseases

(1) Risks for patients with skin diseases

For patients with skin diseases such as eczema, psoriasis, and skin allergies, caution is required when using a whirlpool spa hot tub. Warm water and bacteria in the water may irritate the skin, causing itching, inflammation, or infection. In addition, chemicals and bacteria in the water may aggravate the symptoms of skin diseases and cause recurrence of the disease.


(2) Recommendations

Patients with skin diseases should avoid using a whirlpool spa hot tub for a long time, especially when the water quality is poor or sanitary conditions are poor. If it is really necessary to use it, it is recommended to perform adequate skin care before use, ensure the water quality is clean, and avoid prolonged contact with hot water.


6. Patients with abnormal blood sugar levels (such as diabetics)

(1) Impact of blood sugar fluctuations

Diabetes patients, especially those with large fluctuations in blood sugar levels, should be particularly careful when using the whirlpool spa hot tub. High-temperature water flow and warm water may accelerate blood circulation, causing rapid changes in blood sugar and affecting blood sugar level control. In particular, if the diabetic patient's nerve function is impaired, it may cause obstacles to the body's temperature perception, leading to burns or excessive fatigue.


(2) Recommendations

Diabetes patients should control the water temperature when using the whirlpool spa hot tub to avoid overheating. It is also best to consult a doctor before use to ensure that their blood sugar level is stable to avoid causing blood sugar fluctuations.


7. Elderly people and people with limited mobility

(1) Risks of elderly people using the whirlpool spa hot tub

Elderly people often have physiological problems such as weakened muscle strength, stiff joints, and poor balance. When using a whirlpool spa hot tub, the intensity of the water flow and the water temperature may cause dizziness or discomfort, which may lead to accidents such as falls. Especially for the elderly who have difficulty in moving or have poor physical strength, using a whirlpool spa hot tub may increase the risk of accidents.


(2) Recommendations

The elderly should pay special attention to safety when using a whirlpool spa hot tub, and it is best to be accompanied by someone. Avoid soaking for a long time during use and avoid water temperatures that are too high. At the same time, you can choose a gentler water flow and water temperature to gradually adapt.


The use of a whirlpool spa hot tub brings relaxation and health benefits to many people, but for some special physical conditions, extra attention is required when using it. People with low blood pressure, heart disease, pregnancy, skin diseases, diabetes, and the elderly should avoid using the whirlpool spa hot tub for a long time or at high temperatures. Before use, it is best to consult a doctor and take appropriate protective measures to ensure that you can enjoy the spa effects while avoiding health risks.

whirlpool spa hot tub

How does Lovia Spa control costs while keeping high quality?

Our factory in Guangzhou uses modern production lines and bulk raw material purchasing to reduce costs. This allows us to offer low price spas, cheap wholesale deals, and discount promotions while still maintaining high quality standards. Every outdoor hot tub and swim spa is built with premium acrylic and branded components, ensuring durability.

Lovia Spa is a supplier and company trusted for combining affordable purchasing options and strong quality assurance.

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