Alternative therapies
Outside of the mainstream medical system, you can also find alternative therapies such as Homeopathy, Osteopathy and Chiropractic care. You do not need a referral from your huisarts for this type of care. Check your medical insurer if you are covered for alternative care as osteopathy and homeopathy may not be covered, it can be pricey. There are a number of databases to locate practitioners closest to you. Most practitioners will also provide treatment for children.

Homeopathy (Homeopathie)
The VHAN (Vereniging van Homeopathische Artsen in Nederland) is the nation-wide association of homeopathic doctors, most of whom have trained at the SHO (Stichting Homeopathische Opleidingen), the training facility for homeopathic doctors in the Netherlands. When you are looking at a homeopath, check that they are registered with this organisation.
There are several different registers of homeopaths in the country to search from.
Netherlands Association for Classic Homeopathy
website - http://www.nvkh.nl/
Assocation for Homeopathic Doctors in the Netherlands
website - http://www.vhan.nl/
See also this link for homeopaths by province with listing for Rotterdam.
Google map for Homeopathic practices in Rotterdam
Netherlands search page for topics and organisations relating to homeopathic care see 'Start pagina' search page.
website - http://homeopathie.startpagina.nl/
If you are looking for a homeopathic pharmacy (apotheek) in Rotterdam, a recommended business is De Pil in Rotterdam city.
de Pil Homeopathie
Nieuwe Binnenweg 109, 3014GH, Rotterdam
Phone - 010 436 3798
website - http://www.depil.nl

Osteopathy (Osteopathie)
To find an Osteopath in Rotterdam, The National Registry for Osteopathie in Netherlands provides a listing of practices in the city. As they are registered with this professional body, you can be assured of their care.

Chiropratic care
Chiropractic care in the Netherlands is governed by an official body called The Netherlands Chiropractic Association (De Nederlandse Chiropractoren Associatie). You can search for a practice convenient to you from this site, link below. Chiropractic care is well trusted within the Dutch medical fraternity and is generally covered under medical insurance as standard. Check with your own insurer. You do not need a referral from your huisarts.
Alternative search organisation:
website - http://www.chiropractie.nl/