What's the "difference" between the foam and spray? Any benefit using one instead of the other?

The foam is typically recommended for broad application, across large muscle groups, and "massaged" in. The (metered) spray is typically recommended for quick, targeted application.

Does the foam work for neck pain and knee pain?

I use it for cramps in my feet and legs which is muscular. Neck and knee pain sounds joint related. Write the company directly and ask.

Does it work for menstrual cramps

Theraworx Relief has been proven to prevent & relieve muscle cramps in the legs & feet. There have not been any scientific studies on Theraworx Relief for other muscle groups or conditions like menstrual cramps, but it’s safe to use on any area of the body if you’d like to try.

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Theraworx Relief for Muscle Cramps Spray, 7.1 Oz (1 Count) | Clinically Trusted, Fast-Acting Muscle & Leg Cramp Relief, Made with Magnesium Sulfate. Paraben-Free, no mess or strong odor.

Theraworx Relief for Muscle Cramps Spray, 7.1 Oz (1 Count) | Clinically Trusted, Fast-Acting Muscle & Leg Cramp Relief, Made with Magnesium Sulfate. Paraben-Free, no mess or strong odor.

Product ID: 45416347

Details

Brand
Theraworx
Item Weight
1.44 ounces
Item dimensions L x W x H
7.4 x 2 x 2
Product Benefits
Pain Relief
Specific Uses For Product
Muscle Pain

⚡Fast-acting relief

🌿Paraben-free, natural ingredients

💧No-mess, quick absorption

31866CFA

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Spray Away Muscle Cramps, Stay Ahead of the Game!

DEEP MUSCLE RECOVERY - Penetrates major muscle groups to soothe tightness and support post-activity recovery.
SKIN SOOTHING FORMULA - Enriched with Vitamin E and aloe to moisturize and calm skin while relieving cramps.
CLEAN CONVENIENT SPRAY - No sticky residue or strong odors—just a refreshing, mess-free application anytime.
DAILY WELLNESS ESSENTIAL - Safe for everyday use, fitting seamlessly into your busy lifestyle and workout routine.
CLINICALLY TRUSTED FAST RELIEF - Experience rapid muscle cramp relief with magnesium sulfate, trusted by thousands.

Theraworx Relief Spray delivers fast, clinically trusted muscle cramp relief using magnesium sulfate in a paraben-free, no-mess formula. Designed for major muscle groups, it absorbs quickly without odor, making it perfect for daily use before or after activity. Enhanced with Vitamin E and aloe, it soothes skin while supporting muscle recovery, earning top ranks in joint and muscle pain relief.

Specifications

ASIN	B071S34K89
ASIN	B071S34K89
Active Ingredients	Magnesium Sulfate (Magnesia sulphurica) 6X 0.05% HPUS
Additional Features	Fast-Acting, Non Toxic
Age Range Description	Adult
Best Sellers Rank	#1,356 in Health & Household ( See Top 100 in Health & Household ) #4 in Joint & Muscle Pain Relief Medications
Brand Name	Theraworx
Container Type	Bottle
Customer Reviews	4.4 4.4 out of 5 stars (9,056)
Date First Available	May 11, 2017
Dosage Form	Spray
Flavor	Spray
Global Trade Identification Number	00893198002488
Item Dimensions	7.4 x 2 x 2 inches
Item Form	Spray
Item Weight	1.44 ounces
Item model number	TX-0248
Manufacturer	Avadim Health, Inc
Manufacturer	Avadim Health, Inc
Manufacturer Part Number	TX-0248
Model Name	7.1 fl oz
Model Number	TX-0248
Net Content Count	1 count
Number of Items	1
Package Type Name	Bottle
Product Benefits	Pain Relief
Product Dimensions	7.4 x 2 x 2 inches; 1.44 ounces
Specific Uses For Product	Muscle Pain
Target Audience	Unisex-Adults
Target Use Body Part	Feet, Legs
UPC	893198002488
Unit Count	7.1 Fluid Ounces

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31866CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Senegal.

Secure transaction

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