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Cancer Therapy

Cancer treatment asks a lot of your body. Between chemotherapy, radiation, hormone therapy, and the sheer weight of navigating a diagnosis, managing daily discomfort can feel like one more thing on an already impossible list. Hot flashes that arrive out of nowhere. Tingling and numbness in your hands and feet that make ordinary tasks feel unfamiliar. Nights interrupted by sweats you can't predict or control.

These aren't minor inconveniences. They affect how you sleep, how you work, how you feel about your body, and how you get through each day.

Polar Products has been making body cooling and cold therapy products for over 40 years. We can't treat cancer. But we can help with the heat, the discomfort, and the daily quality-of-life challenges that often come with it, using simple, non-medicated tools your body can rely on.

Woman receiving chemotherapy in a hospital room, using a smartphone.

When Treatment Triggers Your Thermostat

Hot Flashes and Heat Sensitivity from Hormone Therapy

For many people with breast cancer and other hormone-sensitive cancers, the treatment itself, not just the diagnosis, drives significant temperature-related symptoms.

Hormone therapies including tamoxifen and aromatase inhibitors can cause a sudden drop in estrogen, triggering an early or treatment-induced menopause. The rapid hormonal change disrupts the body's temperature regulation, leading to flushing, sweating, and a faster heartbeat. Tamoxifen can cause hot flashes in more than 50% of those who take it, including people who are already postmenopausal. More than 30% of people taking an aromatase inhibitor also experience hot flashes. For many patients, these symptoms begin within the first months of treatment and can persist for years. Source: Breast Cancer Organization

Chemotherapy drugs also contribute to thermal dysfunction in cancer patients because of their negative impact on ovarian function, often causing premature and unnatural menopause due to rapid declines in estrogen levels. Source: PubMed Central

Body cooling products, particularly vest systems, neck wraps, and targeted coolers for the chest and upper body, can offer meaningful, on-demand relief when pharmaceutical options are limited by a patient's treatment regimen.

Person massaging their feet on a carpeted floor

That Tingling in Your Hands and Feet Has a Name

Protecting Your Hands and Feet During Chemotherapy

One of the most common and disruptive side effects of taxane-based chemotherapy drugs like Taxol (paclitaxel) and Taxotere (docetaxel) is something called chemotherapy-induced peripheral neuropathy, or CIPN. If you've noticed tingling, numbness, or a strange sensitivity in your fingers and toes during or after treatment, this is likely what you're experiencing.

CIPN is incredibly common, affecting more than 60% of patients receiving these medications, and for some people the effects can linger long after treatment ends. For others it can become serious enough to require dose reductions, which is the last thing anyone wants when the goal is completing treatment as planned.

Here's the encouraging part: research has consistently shown that applying cold to the hands and feet during chemotherapy infusion may help. The cold causes blood vessels to constrict, which appears to reduce how much of the chemotherapy reaches the small nerves in the fingertips and toes. Multiple clinical studies, including a 120-patient randomized controlled trial, found that patients using cooling during paclitaxel infusions had significantly lower neuropathy scores at 6 weeks, 12 weeks, and 3 months after treatment compared to those who didn't.Source: ScienceDirect

Frozen gloves and socks, cold mitts, and active circulating water systems have all been studied. The common thread across the research: consistent cooling applied before, during, and briefly after infusion appears to make a real difference for many patients.

Always check with your oncologist before starting extremity cooling during chemotherapy, as it may not be appropriate for every patient or every treatment regimen.

Woman with cancer receiving support from a healthcare professional in a bright room.

Helpful Resources

We believe informed patients are empowered patients. These organizations provide trusted cancer information and support:

Breast Cancer
American Cancer Society
Breastcancer.org
Breast Cancer Research Foundation
Living Beyond Breast Cancer

Multiple Myeloma
The Multiple Myeloma Research Foundation
Myeloma Crowd
National Cancer Institute
American Cancer Society

The products on this page are non-medicated comfort tools, not medical treatments or cancer therapies. They are not intended to treat, cure, or prevent cancer or any cancer-related condition.

If you are considering using extremity cooling during chemotherapy infusion, please discuss this with your oncologist or care team first. Extremity cooling is not appropriate for all patients or all chemotherapy regimens, and your clinical team is best positioned to advise you on whether it fits your treatment plan.

For general daily use products such as cooling vests, neck wraps, and breast coolers, we recommend following standard hot/cold therapy guidelines: use for 20 minutes on, followed by a rest period, and discontinue use if you experience any skin irritation or discomfort.

The information on this page is not intended or implied to be a substitute for professional medical advice, diagnosis, or treatment. Please consult a licensed healthcare practitioner before using any hot/cold therapy or body cooling product for a medical condition.

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